Newest AI Companies
Recently founded AI companies making an impact, ranked by real-time data.
xAI
Est. 2023ai_adjacentxAI Corp., doing business as xAI, is an American artificial intelligence company and a wholly owned subsidiary of SpaceX. It was founded by Elon Musk in 2023. The company's flagship product is the generative AI chatbot Grok. In March 2025, the company acquired the social media platform X, formerly known as Twitter. A recent product introduction is Grok Imagine, an image generation tool. In 2024, the company was ranked 15th on an AI industry leaderboard. Recent news reports have indicated a plan for xAI to merge with its parent company, SpaceX.
Mistral AI
Est. 2023ai_research_labMistral AI SAS is a French artificial intelligence company headquartered in Paris that develops large language models (LLMs). Founded in April 2023 by former Google DeepMind and Meta Platforms researchers Arthur Mensch, Guillaume Lample, and Timothée Lacroix, the company produces both open-source and proprietary AI models. It has secured significant funding, including a €105 million seed round and a subsequent €385 million financing round in late 2023. As of 2025, the company holds a valuation exceeding $14 billion. Its recent activities include updates to its AI products, such as its Vibe coding agent.
DeepSeek
Est. 2023ai_adjacentDeepSeek Artificial Intelligence Basic Technology Research Co., Ltd., doing business as DeepSeek, is a Chinese artificial intelligence company that develops large language models (LLMs). Based in Hangzhou and owned by the hedge fund High-Flyer, the company was founded in July 2023. It is known for its open-weight models, including DeepSeek-R1, which it released alongside a chatbot in January 2025. The company has reported achieving competitive model performance at a significantly lower training cost than rivals, notably training its V3 model for an estimated $6 million. DeepSeek recruits researchers from top universities and diverse academic fields to broaden its models' capabilities. It is currently ranked seventh in its industry sector.
Moonshot AI
Est. 2023ai_applicationMoonshot AI is an artificial intelligence company based in Beijing, China, focused on the development of large language models. The company has been identified by investors as one of China's prominent 'AI Tiger' companies. Its notable product is the Kimi-K2.5 model, a multimodal mixture-of-experts (MoE) model featuring a 256K context window and capabilities in vision and video understanding. The model has been characterized in the sector as a powerful open-source large language model. Currently, Moonshot AI is ranked 15th on an AI industry leaderboard, with significant recent media attention reflected in 21 news events in the past 30 days.
Perplexity
Est. 2022ai_applicationPerplexity AI, Inc. is an American software company that operates an AI-powered search engine and conversational assistant. The company's core product processes user queries by synthesizing information from the web and providing responses with cited sources, utilizing large language models and real-time web search capabilities. Founded in 2022, the company offers a free public version and a paid Pro subscription with access to more advanced models. As of September 2025, Perplexity was valued at $20 billion. The company has recently faced legal scrutiny and analysis regarding its use of web crawlers and allegations of copyright infringement from several major media organizations.
ElevenLabs
Est. 2022ai_adjacentElevenLabs Inc. is a software company that develops natural-sounding speech synthesis and voice cloning software using artificial intelligence and deep learning. The company was co-founded in 2022 by former Google machine learning engineer Piotr Dąbkowski and former Palantir deployment strategist Mati Staniszewski. It raised a $2 million pre-seed funding round in January 2023, led by Credo Ventures and joined by Concept Ventures, and secured a $19 million Series A round at a $100 million valuation in June of the same year. The company publicly released its beta platform in early 2023. Its technology is focused on AI voice intelligence, and it is currently ranked among the top companies in the AI industry.
Anthropic
Est. 2021ai_research_labAnthropic PBC is an American artificial intelligence company based in San Francisco that researches and develops large language models. Founded in 2021 by former OpenAI members Daniela and Dario Amodei, the company focuses on building reliable, interpretable, and steerable AI systems with an emphasis on safety research. Its primary achievement is the creation of Claude, a family of large language models. Anthropic has secured significant investments, including up to $4 billion from Amazon and $2 billion from Google.
MidJourney
Est. 2021ai_applicationMidjourney, Inc. is a San Francisco-based independent research lab that develops a generative artificial intelligence program of the same name. The company's core product is an AI service that generates images from natural language descriptions, known as prompts. It is considered a significant technology within the current AI boom, alongside similar tools like OpenAI's DALL-E and Stability AI's Stable Diffusion. Midjourney operates primarily through a Discord bot, where users issue commands to create images, and also offers an official website. The company, led by Leap Motion co-founder David Holz, entered open beta in July 2022 and was reported to be profitable as of August 2022. As of August 2024, the service remains in open beta.
Stability AI
Est. 2020ai_applicationStability AI Ltd is a UK-based artificial intelligence company that develops open AI models, most notably the text-to-image model Stable Diffusion. The company was founded in 2019 and rose to prominence following the public release of Stable Diffusion in August 2022. A significant $101 million funding round was led by Coatue and Lightspeed Venture Partners. In 2024, the company underwent a leadership transition, appointing Prem Akkaraju, former CEO of Weta Digital, as its chief executive. The company has since secured additional investment from a consortium including Greycroft, Coatue Management, and Sound Ventures, with Sean Parker joining as Executive Chairman and filmmaker James Cameron joining its board of directors.
Zhipu AI
Est. 2019ai_adjacentZhipu AI, legally known as Knowledge Atlas Technology Joint Stock Co., Ltd., is a Chinese artificial intelligence company specializing in the development of large language models (LLMs). The company, which began rebranding internationally as Z.ai in 2025, is considered one of China's 'AI Tiger' companies and was ranked as the third-largest LLM market player in China by the International Data Corporation as of 2024. Its work includes developing state-of-the-art multimodal AI models. In January 2025, the company was added to the U.S. Department of Commerce's Entity List due to national security concerns.
Cohere
Est. 2019ai_adjacentCohere Inc. is a Canadian multinational technology company that develops large language models and artificial intelligence products for enterprise applications. The company specializes in serving regulated industries, including finance, healthcare, manufacturing, and energy, as well as the public sector. Founded in 2019 by Aidan Gomez, Ivan Zhang, and Nick Frosst, the company is headquartered in Toronto and San Francisco with several international offices. A notable initiative is Cohere Labs, a nonprofit research lab dedicated to open-source machine learning research. The company's platform is powered by infrastructure from Google Cloud, which utilizes its Tensor Processing Units (TPUs). Cohere is currently led by CEO Aidan Gomez and President and COO Martin Kon.
Cerebras
Est. 2016ai_hardwareCerebras Systems Inc. is an American artificial intelligence company that builds computer systems for complex AI deep learning applications. Founded in 2015 by a team of former SeaMicro executives, the company is known for developing the Wafer-Scale Engine (WSE), one of the largest chips ever built. The company has secured significant venture funding, achieving a $2.4 billion valuation following its Series E round in late 2019. With offices in Sunnyvale, San Diego, Toronto, and Bangalore, Cerebras focuses on providing a platform for AI training. It is currently ranked among the leaders in the AI industry sector.
OpenAI
Est. 2015ai_research_labOpenAI is an American artificial intelligence research organization consisting of a non-profit foundation and a for-profit public benefit corporation. It aims to develop safe and beneficial artificial general intelligence (AGI). The company is widely recognized for its GPT family of large language models, the DALL-E series of text-to-image models, and the Sora video generation model. Its release of ChatGPT in 2022 significantly increased public and commercial interest in generative AI. As of late 2025, its corporate structure gives the non-profit foundation controlling governance authority. The company's recent focus has been on commercial deployment, including the introduction of a platform designed to help companies deploy and manage AI agents.
Vercel
Est. 2015ai_adjacentVercel is an American cloud application company that provides developer tools, frameworks, and cloud infrastructure to build and maintain websites. The company is the creator and primary maintainer of the open-source Next.js web development framework. Its product portfolio includes the v0 generative user interface tool and an AI SDK. Vercel also maintains a free open-source library designed for building AI-generated products. The company is currently ranked #79 on an AI industry leaderboard. Vercel's platform is frequently cited as a leading solution for hosting Next.js applications.
Databricks
Est. 2013ai_toolingDatabricks, Inc. is an American software company based in San Francisco that provides a cloud-based platform for data analytics and artificial intelligence. Founded in 2013 by the original creators of the Apache Spark processing engine, the company is known for developing the data lakehouse architecture, a system that combines elements of data warehouses and data lakes. Its product portfolio includes Delta Lake, an open-source project designed to add ACID transaction support to data lakes. Recent company developments include the launch of a serverless database product and a focus on enterprise AI adoption and agentic systems.
Bytedance
Est. 2012ai_adjacentByteDance is a Chinese internet technology company headquartered in Haidian, Beijing. Founded in 2012 by Zhang Yiming and Liang Rubo, its core business is the development and operation of online content platforms. The company is the developer of the video-sharing application TikTok, known as Douyin in China, and the news aggregation platform Toutiao. It also operates other products including the video-editing application CapCut and the video-sharing app Lemon8. ByteDance has attracted significant regulatory and media scrutiny in multiple countries over concerns related to data security, surveillance, and censorship. The company is currently a significant player in the artificial intelligence sector.
Stripe
Est. 2010ai_adjacentStripe, Inc. is an Irish-American multinational financial services and software as a service company dual-headquartered in South San Francisco, California, and Dublin, Ireland. The company provides a platform that enables businesses to accept payments, implement billing models, and manage financial transactions through its payment-processing software and application programming interfaces for e-commerce and mobile applications. As of 2024, Stripe is the largest privately held fintech company, with a valuation of approximately $107 billion and over $1.4 trillion in annual payment volume processed. The company is currently ranked 54th on an AI industry leaderboard.
Uber
Est. 2009ai_adjacentUber Technologies, Inc. is an American multinational company that provides ride-hailing services, food delivery, courier services, and freight transport. Headquartered in San Francisco, California, the company operates in approximately 70 countries and 15,000 cities worldwide. It is the largest ridesharing company by number of users, coordinating an average of 36 million trips and delivery orders per day for its over 180 million monthly active users. The company has a take rate of 30.6% for mobility services and 18.8% for food delivery. Uber is currently developing robotaxi services through partnerships with companies including Lucid Motors, Nuro, and Baidu, and has recently established an 'AV Labs' division to gather driving data for its autonomous vehicle partners.
Y Combinator
Est. 2005ai_adjacentY Combinator, LLC is an American technology startup accelerator and venture capital firm. It provides seed funding, mentorship, and networking opportunities to early-stage startups through a centralized program that was historically held in person but moved online during the COVID-19 pandemic. The firm was founded in 2005 by Paul Graham, Jessica Livingston, Robert Tappan Morris, and Trevor Blackwell. It has funded over 5,000 companies, including notable alumni such as Airbnb, Stripe, Coinbase, and DoorDash. In 2009 and 2010, Y Combinator secured significant investment rounds from Sequoia Capital to expand its capacity. Recently, the firm has made operational changes, including removing Canada from its list of countries where it invests.
Meta
Est. 2004ai_adjacentMeta Platforms, Inc., doing business as Meta, is an American multinational technology company that owns and operates a portfolio of social media and communication platforms, including Facebook, Instagram, WhatsApp, and Threads. Its primary business model is digital advertising, which accounted for 97.8% of its total revenue as of 2023. The company, originally founded as Facebook in 2004, rebranded to Meta in 2021 to signal a strategic focus on building the metaverse, an ecosystem incorporating virtual and augmented reality. Meta is a significant investor in research and development, with R&D expenses reaching $35.3 billion in 2022. Its current product lineup includes VR headsets and AI-powered wearable technology developed in partnership with Ray-Ban and Oakley.
ServiceNow
Est. 2004enterprise_aiServiceNow, Inc. is an American software company that supplies a cloud computing platform for the creation and management of automated business workflows. Founded in 2003, the company is publicly traded on the New York Stock Exchange and is a constituent of the S&P 500 and S&P 100 indices. Its platform is designed to help enterprises digitize and unify their operations across departments such as IT, customer service, and human resources. The company has recently expanded its focus into artificial intelligence, including a disclosed partnership with AI firm Anthropic. ServiceNow is currently ranked among the leading companies in the AI industry based on sector analysis.
Tesla
Est. 2003ai_adjacentTesla, Inc. is an American multinational automotive and clean energy company headquartered in Austin, Texas. The company designs, manufactures, and sells battery electric vehicles (BEVs), stationary battery energy storage devices, solar panels, and solar shingles. Tesla began production of its first vehicle, the Roadster sports car, in 2008, and has since launched several models including the Model S, Model 3, Model X, Model Y, the Tesla Semi, and the Cybertruck. The company has been the world's most valuable automaker by market capitalization since July 2020 and has periodically exceeded a $1 trillion valuation. In 2024, Tesla led the global battery electric vehicle market with a 17.6% share.
SpaceX
Est. 2002ai_adjacentSpaceX, is a private American aerospace and artificial intelligence company. Headquartered in Starbase, Texas, the company develops launch vehicles, satellite constellations, and spacecraft. It was founded in 2002 by Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. Notable achievements include the Falcon 9 and Falcon Heavy rockets, the Dragon spacecraft, and the Starlink satellite internet constellation. SpaceX was the first private company to achieve orbit, to launch and dock a spacecraft with the International Space Station, and to successfully reuse an orbital-class rocket booster. As of 2025, it is the world's dominant space launch provider. The company works closely with NASA and the United States Armed Forces through government contracts and is also active in the artificial intelligence sector.
Alibaba
Est. 1999ai_adjacentAlibaba Group Holding Limited is a Chinese multinational technology company specializing in e-commerce, retail, Internet, and technology services. Founded in 1999, its core business operates consumer-to-consumer, business-to-consumer, and business-to-business sales services through online marketplaces. The company also provides logistics, digital media, entertainment, and cloud computing services. Its 2014 initial public offering on the New York Stock Exchange raised $25 billion, which was the largest in history at the time. Alibaba is ranked among the world's top retailers and e-commerce companies. It is currently ranked tenth in the artificial intelligence industry and has recently focused on developing AI products, including open-source coding models and AI agents.
Salesforce
Est. 1999enterprise_aiSalesforce, Inc. is an American cloud-based software company headquartered in San Francisco, California. It provides customer relationship management (CRM) software and applications focused on sales, customer service, marketing automation, e-commerce, analytics, and artificial intelligence. Founded by former Oracle executive Marc Benioff in 1999, the company completed its initial public offering in 2004. As of 2025, Salesforce is ranked as the 61st largest company in the world by market capitalization and became the world's largest enterprise applications firm in 2022. The company, which is a component of the Dow Jones Industrial Average, reported revenue of $31.352 billion in 2023. Its current focus includes the development and integration of artificial intelligence capabilities into its CRM platform.
Google LLC is an American multinational technology corporation that develops and provides a wide range of information technology products and services. Its core offerings include online advertising technologies, a search engine, cloud computing, software, and consumer electronics. The company is a subsidiary of Alphabet Inc. and is a significant player in the artificial intelligence sector. Google's most notable products and services include its foundational Google Search engine, Gmail, Google Maps, and the Chrome web browser. The company maintains a focus on expanding its AI initiatives and cloud computing services, as evidenced by its recent activities and financial performance.
Tencent
Est. 1998ai_adjacentTencent is a Chinese multinational technology conglomerate headquartered in Shenzhen. It operates a diverse portfolio of internet-related services and products, including social networks, music, web portals, e-commerce, mobile games, and payment systems. The company is the world's largest video game vendor by revenue and operates major platforms such as the instant messengers Tencent QQ and WeChat. Its associated stock-market-listed entity, Tencent Holdings Ltd, is incorporated in the Cayman Islands. Recently, the company has been active in artificial intelligence, developing AI agent technology like Moltbot and integrating agentic AI capabilities directly into its super apps.
Netflix
Est. 1997ai_adjacentNetflix, Inc. is an American media company that operates a subscription-based over-the-top streaming service. The company offers a library of acquired films and television series, along with content it produces itself, known as Netflix Originals. Initially launched in 1997 as a DVD-by-mail rental service, the company introduced streaming in 2007 and began producing its own content in 2011. Netflix was the first streaming service to become a member of the Motion Picture Association. It is ranked on the Fortune 500 and Forbes Global 2000 lists and was the top-performing stock in the S&P 500 during the 2010s. The company is co-led by CEOs Greg Peters and Ted Sarandos and continues to focus on global content production and distribution.
Amazon
Est. 1994ai_adjacentAmazon is an American multinational technology company with core operations in e-commerce, cloud computing, digital streaming, and artificial intelligence. Founded by Jeff Bezos in 1994, it began as an online bookseller and expanded to become a major online marketplace and retailer. Its significant subsidiaries include Amazon Web Services (AWS), a leading cloud computing platform; Zoox, a self-driving car division; and Kuiper Systems, a satellite internet provider. The company augmented its physical retail presence through its acquisition of Whole Foods Market. Amazon distributes media content through services such as Prime Video, Amazon Music, and Audible. It is currently ranked among the top companies in the artificial intelligence sector.
Nvidia
Est. 1993ai_hardwareNvidia Corporation is an American technology company that develops graphics processing units (GPUs), systems on chips (SoCs), and application programming interfaces (APIs) for data science, high-performance computing, video games, and mobile and automotive applications. Originally focused on GPUs for video gaming, the company has broadened its focus to include artificial intelligence, professional visualization, and supercomputing. Its product lines include GeForce GPUs for gaming and professional GPUs for scientific and industrial applications. The company developed CUDA, a software platform that enabled GPUs to run massively parallel programs. As of 2025, Nvidia holds a dominant share of the discrete GPU market and provides chips for a majority of the world's TOP500 supercomputers. It also operates the GeForce Now cloud gaming service.
TSMC
Est. 1987ai_hardwareTSMC) is a Taiwan-based semiconductor contract manufacturing and design company. It is the world's largest dedicated semiconductor foundry, manufacturing advanced chips for clients including Apple, Nvidia, Broadcom, and Qualcomm. Founded in 1987 as a joint venture involving the Taiwanese government, TSMC pioneered the pure-play foundry business model. The company is headquartered and operates its main facilities in the Hsinchu Science Park. TSMC is Taiwan's largest company and a major constituent of the Taiwan Stock Exchange. It is currently expanding its global manufacturing footprint, with plans to begin production of advanced 3-nanometer chips in Japan.
Huawei
Est. 1987ai_adjacentHuawei Corporation is a Chinese multinational technology company headquartered in Shenzhen, Guangdong. Its core business involves manufacturing telecommunications equipment and a range of products including consumer electronics, electric vehicle autonomous driving systems, and rooftop solar power products. Founded in 1987 by Ren Zhengfei, Huawei initially focused on phone switches before expanding globally to build network infrastructures and provide operational services. In 2012, it became the world's largest telecommunications equipment manufacturer, surpassing Ericsson. As of 2025, it is the largest smartphone vendor in China. The company's recent focus includes significant activity in the development of 5G and 6G patents and maintaining its position in the artificial intelligence sector.
Qualcomm
Est. 1985ai_adjacentQualcomm Incorporated is an American multinational corporation that creates semiconductors, software, and services related to wireless technology. Headquartered in San Diego, California, the company owns a significant portfolio of patents critical to several mobile communications standards, including 5G, 4G, and CDMA. Founded in 1985, Qualcomm's early research into code-division multiple access (CDMA) technology became foundational to its business. The company operates predominantly as a fabless manufacturer, designing and selling semiconductor products while outsourcing fabrication. Its Snapdragon platforms, which integrate neural processing units (NPUs) for on-device AI, are widely used in mobile devices. Qualcomm remains a central player in the semiconductor industry, with a current focus on advancing wireless technology and AI capabilities for a range of devices.
Apple
Est. 1976ai_adjacentApple Inc. is an American multinational technology company headquartered in Cupertino, California. It designs, manufactures, and markets consumer electronics, software, and online services. The company was founded in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne to market the Apple I personal computer. Its subsequent product lines include the Macintosh computer, iPod, iPhone, iPad, and Apple Watch. Apple is one of the Big Tech companies and has been a significant influence in the development of the personal computer and consumer electronics industries. The company's recent focus includes the development of its proprietary Apple Silicon chipsets for its Mac lineup and ongoing innovation in its mobile device offerings.
Microsoft
Est. 1975ai_adjacentMicrosoft Corporation is an American multinational technology conglomerate. The company develops, manufactures, licenses, supports, and sells computer software, consumer electronics, personal computers, and related services. Its foundational products include the Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers. Microsoft rose to dominate the personal computer operating system market with MS-DOS and later Windows. The company has since expanded into areas including cloud computing with Azure, artificial intelligence, and video gaming with the Xbox console line. Under CEO Satya Nadella, Microsoft has shifted its focus toward cloud services and enterprise software, and it is currently ranked among the top companies in the artificial intelligence industry.
SAP
Est. 1972enterprise_aiSAP SE is a German multinational software corporation based in Walldorf, Baden-Württemberg. It is the world's largest vendor of enterprise resource planning (ERP) software. The company, originally founded as Systeme, Anwendungen und Produkte in der Datenverarbeitung, operates with regional offices in 180 countries. SAP is a component of the DAX and Euro Stoxx 50 stock market indices and is the largest non-American software company by revenue. Its current corporate structure as a societas Europaea (SE) was adopted in 2014. The company's recent focus includes the integration of artificial intelligence into its enterprise software platforms, as evidenced by developments around its Joule AI assistant and AI tools for developers.
AMD
Est. 1969ai_hardwareAMD is an American multinational semiconductor company based in Santa Clara, California, that develops central processing units (CPUs), graphics processing units (GPUs), and system-on-chips (SoCs). The company serves business and consumer markets, including personal computers, data centers, gaming, and embedded systems. Following its 2022 acquisition of Xilinx, AMD also offers field-programmable gate array (FPGA) products. Founded in 1969, the company outsourced its manufacturing after spinning off GlobalFoundries in 2009. AMD is a primary competitor to Intel in the microprocessor market. Its current focus, as stated by leadership, remains on enterprise markets amid broader PC market uncertainty.
Intel
Est. 1968ai_adjacentIntel Corporation is an American multinational technology company that designs, manufactures, and sells computer components, including central processing units (CPUs), graphics processing units (GPUs), chipsets, and flash memory. It supplies microprocessors for most computer system manufacturers and was one of the developers of the x86 instruction set architecture. A key component in the rise of Silicon Valley, Intel was the world's third-largest semiconductor chip manufacturer by revenue in 2024. The company's notable product lines include the Intel Core series of CPUs and the Intel Arc series of GPUs. Intel's recent focus includes developments in AI and the launch of new workstation processors such as the Xeon 600 Granite Rapids.
Samsung
Est. 1938ai_adjacentSamsung Group is a South Korean multinational manufacturing conglomerate headquartered in Seoul. It is the largest chaebol, or business conglomerate, in South Korea and consists of numerous affiliated businesses operating under the Samsung brand. The company was founded in 1938 as a trading firm and later diversified into various sectors. Its key affiliates include Samsung Electronics, the world's largest information technology company and chipmaker by 2017 revenues; Samsung Heavy Industries, a major shipbuilder; and Samsung C&T Corporation, a global construction firm. The group's product portfolio spans electronics, heavy industry, construction, and financial services. Samsung is currently ranked among the world's most valuable brands and is active in developing artificial intelligence technologies for its consumer devices.
IBM
Est. 1911ai_adjacentIBM, is an American multinational technology corporation. Its core business involves providing a wide range of technology and consulting services, with a focus on advanced computing solutions including artificial intelligence, automation, and hybrid cloud platforms. The company is the world's largest industrial research organization and held the record for generating the most U.S. patents annually for 29 consecutive years. IBM's historical achievements include the development of the System/360 mainframe, which became the dominant computing platform, and the introduction of the IBM Personal Computer, whose architecture underpins most modern PCs. The company's current focus remains on advancing its AI and hybrid cloud offerings, as evidenced by recent developments in multimodal AI models.
Era Breakdown
AI-Native Era
9
companies founded 2020–2026
AI Pioneers
26
companies founded before 2015
Founded year data is available for 40 of 100 tracked companies.
Frequently Asked Questions
What is the newest AI company on the rankings?
xAI (founded 2023) is the most recently founded AI company on the Sector HQ rankings, currently ranked #13 with a score of 127.7.
When were most AI companies founded?
The most common founding decade is the 2020s with 9 companies. Of the 40 companies with founding data, 9 are from the AI-Native Era (2020–present), 5 from the Pre-ChatGPT Era (2015–2019), and 26 are AI Pioneers founded before 2015.
Are newer AI companies ranked higher?
Not necessarily. Sector HQ ranks companies using a real-time algorithm that analyzes news events, funding rounds, product launches, sentiment, and momentum. A company's founding year is one data point but does not directly influence its score. Established players can outrank newer startups through sustained innovation and market impact, while fresh entrants can rise quickly with strong momentum.