--- title: "U.S. Stock Movement Update: Tech stocks experience significant volatility, C3.ai down 22%, Volitionrx up 11%" type: "News" locale: "en" url: "https://longbridge.com/en/news/276995262.md" description: "In the past hour, the overall market in the U.S. stock market has shown significant differentiation, with technology stocks and small-cap stocks performing particularly well. Technology stocks such as C3.ai and Trade Desk have encountered heavy losses, falling 22.02% and 15.94% respectively, reflecting increasing market concerns over high-valuation tech stocks. Meanwhile, biopharmaceutical and blockchain-related stocks like Volitionrx and American Bitcoin have risen against the trend, increasing 11.31% and 9.52% respectively, attracting the attention of short-term funds. Overall, market sentiment has been quite volatile, with capital flows seemingly frequently switching between high-risk and low-risk assets. The stock with the largest movement in the past hour, C3.ai, saw a decline of 22.02%, becoming the focus of the market. The stock quickly dipped after the opening, with short-term sentiment being low, and investors' concerns about its future profitability intensified, leading to a surge in selling pressure and forming a clear downward trend. Strong stocks: 1. Volitionrx: up 11.31%, recently launched new products, with positive market response and significant capital inflow. 2. IonQ: up 11.22%, the prospects in the quantum computing field have attracted investors' attention, increasing short-term enthusiasm. 3. American Bitcoin: up 9.52%, as Bitcoin prices warm up, related stocks are in demand, with active capital" datetime: "2026-02-26T07:00:18.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/276995262.md) - [en](https://longbridge.com/en/news/276995262.md) - [zh-HK](https://longbridge.com/zh-HK/news/276995262.md) --- # U.S. Stock Movement Update: Tech stocks experience significant volatility, C3.ai down 22%, Volitionrx up 11% **Market Overview of US Stocks in the Last Hour** The overall market shows significant divergence, with technology stocks and small-cap stocks performing particularly well. Technology stocks like C3.ai and Trade Desk faced heavy losses, dropping 22.02% and 15.94% respectively, reflecting increasing market concerns over high-valuation tech stocks. Meanwhile, biopharmaceutical and blockchain-related stocks such as Volitionrx and American Bitcoin rose against the trend, increasing by 11.31% and 9.52% respectively, attracting the attention of short-term funds. Overall, market sentiment is quite volatile, with capital flows seemingly switching frequently between high-risk and low-risk assets. **Stocks with the Most Significant Movements in the Last Hour** C3.ai's decline reached 22.02%, becoming the focus of the market. The stock quickly fell after the opening, with short-term sentiment being low, and investors' concerns about its future profitability intensified, leading to a surge in selling pressure and forming a clear downward trend. **Strong Stocks** 1. Volitionrx: Up 11.31%, recently launched new products, and the market reacted positively with noticeable capital inflow. 2. IonQ: Up 11.22%, the prospects in the quantum computing field attracted investors' attention, boosting short-term interest. 3. American Bitcoin: Up 9.52%, as Bitcoin prices warmed up, related stocks became popular, with active capital. 4. Gauzy: Up 7.18%, technological breakthroughs in the optoelectronic materials field drew market attention, with strong stock performance. 5. Mannkind: Up 5.71%, the company's recent clinical trial results exceeded expectations, attracting investor confidence. **Stocks Under Pressure** 1. Trade Desk: Down 15.94%, uncertainty in the advertising market led to insufficient investor confidence, increasing selling pressure. 2. XWELL: Down 15.70%, concerns over its profitability outlook intensified, with noticeable capital outflow in the short term. 3. FTAI Aviation: Down 9.94%, slow recovery in the aviation industry led to low market sentiment. 4. Mint Incorporation: Down 8.23%, lacking catalysts, investor sentiment remained cautious. 5. 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