--- title: "U.S. Stock Market Movement Update: Tech stocks experience significant volatility, C3.ai down 21.34%, Iterum Therap up 14.14%" type: "News" locale: "en" url: "https://longbridge.com/en/news/276979425.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. Tech stocks like C3.ai and Trade Desk have suffered heavy losses, falling 21.34% and 15.78% respectively, reflecting increasing market concerns over high-valuation tech stocks. Meanwhile, Iterum Therap has risen against the trend by 14.14%, attracting the attention of short-term funds and indicating volatility in market sentiment. Overall, funds seem to be seeking more defensive investments, leading to downward pressure on some stocks, while others have gained favor due to improved fundamentals. The stock with the largest movement in the past hour, C3.ai, has seen a decline of 21.34%, with market sentiment appearing extremely pessimistic, as investor confidence in its future growth seems to be waning. Trade Desk has also been severely impacted, with a drop of 15.78%, and the outflow of short-term funds has intensified its downward pressure. Strong stocks include: 1. Iterum Therap: up 14.14%, with recent positive clinical trial results attracting significant buying. 2. Lion: up 10.77%, with optimistic market expectations for future growth and noticeable fund inflows. 3. IonQ: up 9.38%, with the prospects in quantum computing attracting investor attention and increasing short-term interest. 4. American Bitcoin: up 3.81%, as the price of Bitcoin rebounds, driving related stocks higher" datetime: "2026-02-26T04:00:12.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/276979425.md) - [en](https://longbridge.com/en/news/276979425.md) - [zh-HK](https://longbridge.com/zh-HK/news/276979425.md) --- # U.S. Stock Market Movement Update: Tech stocks experience significant volatility, C3.ai down 21.34%, Iterum Therap up 14.14% **Market Overview of US Stocks in the Last Hour** The overall market shows a clear divergence, with technology stocks and small-cap stocks performing particularly well. Technology stocks such as C3.ai and Trade Desk have suffered significant declines, falling 21.34% and 15.78% respectively, reflecting growing market concerns over high-valuation tech stocks. Meanwhile, Iterum Therap has risen against the trend by 14.14%, attracting the attention of short-term funds and indicating volatility in market sentiment. Overall, funds seem to be seeking more defensive investments, leading to downward pressure on some stocks while others gain favor due to improved fundamentals. **Stocks with the Largest Movements in the Last Hour** C3.ai's decline reached 21.34%, with market sentiment appearing extremely pessimistic, as investor confidence in its future growth seems to be waning. Trade Desk also faced a heavy blow, with a drop of 15.78%, and the outflow of short-term funds has intensified its downward pressure. **Strong Stocks** 1. Iterum Therap: Up 14.14%, recent positive clinical trial results have attracted a large number of buyers. 2. Lion: Up 10.77%, the market is optimistic about its future growth prospects, with noticeable fund inflows. 3. IonQ: Up 9.38%, the prospects in the quantum computing field have attracted investor attention, increasing short-term interest. 4. American Bitcoin: Up 3.81%, the rebound in Bitcoin prices has driven related stocks higher. 5. NOVARTIS AG: Up 3.13%, smooth progress in new drug development has received a positive market response. **Stocks Under Downward Pressure** 1. Trade Desk: Down 15.78%, concerns over its advertising business outlook have intensified, with noticeable fund outflows. 2. C3.ai: Down 21.34%, a sell-off triggered by high valuations has led to low short-term sentiment. 3. Generation Income Properties: Down 13.14%, uncertainty in the real estate market has affected investor confidence. 4. FTAI Aviation: Down 11.71%, slow recovery in the aviation industry has put pressure on market sentiment. 5. 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