--- title: "The Nasdaq 100 Index turned negative after earlier rising 1% during the day" description: "The constituent stock Arm Holdings fell by 13.3%, Decacon Medical fell by 8.3%, Qualcomm fell by 7.6%, Applied Materials fell by 5.3%, and ASML ADR fell by 3%. Among the seven tech giants in the U.S. " type: "news" locale: "en" url: "https://longbridge.com/en/news/251046651.md" published_at: "2025-07-31T17:30:00.000Z" --- # The Nasdaq 100 Index turned negative after earlier rising 1% during the day > The constituent stock Arm Holdings fell by 13.3%, Decacon Medical fell by 8.3%, Qualcomm fell by 7.6%, Applied Materials fell by 5.3%, and ASML ADR fell by 3%. Among the seven tech giants in the U.S. stock market, Meta is currently up 11.6%, Microsoft is up 4.2%, Amazon is up 1.8%, NVIDIA is flat, Apple is slightly down, and Google A and Tesla are down by up to 2.7%. The S&P 500 index is currently flat, the Dow Jones fell by 133 points, a decrease of 0.3%, and the Nasdaq is still up over 0.4% Component stock Arm Holdings fell 13.3%, Decacon Medical fell 8.3%, Qualcomm fell 7.6%, Applied Materials fell 5.3%, and ASML ADR fell 3%. Among the seven tech giants in the U.S. stock market, Meta is currently up 11.6%, Microsoft is up 4.2%, Amazon is up 1.8%, NVIDIA is flat, Apple is slightly down, and Google A and Tesla are down by at most 2.7%. The S&P 500 index is currently flat, the Dow Jones is down 133 points, a decrease of 0.3%, and the Nasdaq is still up over 0.4% ### Related Stocks - [MSFT.US - Microsoft](https://longbridge.com/en/quote/MSFT.US.md) - [AMZN.US - Amazon](https://longbridge.com/en/quote/AMZN.US.md) ## Related News & Research | Title | Description | URL | |-------|-------------|-----| | OpenAI 新一輪融資或突破千億美元 據報亞馬遜、軟銀、英偉達及微軟參與投資 | OpenAI 即將完成新一輪融資,預計籌集超過 1000 億美元,估值可能超過 8500 億美元。主要投資者包括亞馬遜、軟銀、英偉達和微軟。融資將分階段進行,預計在本年度內完成。亞馬遜可能投資高達 500 億美元,軟銀 300 億美元,英偉 | [Link](https://longbridge.com/en/news/276297991.md) | | 股神巴菲特再現「神準」操作 亞馬遜急跌前大減倉 再沽蘋果美銀 買入一隻媒體股 | 股神巴菲特在卸任巴郡 CEO 後,繼續調整投資組合。根據 SEC 13F 文件,巴郡大幅減持亞馬遜 770 萬股,持倉減少 77%;同時出售約 5,080 萬股美國銀行和 1,030 萬股蘋果,連續第三季減持蘋果。巴郡首次增持傳統媒體股,購 | [Link](https://longbridge.com/en/news/276191227.md) | | Anthropic 的 800 億美元雲計算投資與五角大樓的要求發生衝突 | Anthropic 已獲得 300 億美元的融資,但因其 Claude AI 模型的使用限制而受到五角大樓的審查。五角大樓要求對合法用途提供更廣泛的訪問權限,而 Anthropic 對某些應用持抵制態度。此外,該公司預計到 2029 年將至 | [Link](https://longbridge.com/en/news/276212891.md) | | 機構 “最超配” 閃迪,“最低配” 英偉達 | 據摩根士丹利最新的統計:“機構對美國大型科技股的低配程度是 17 年來最大的” 相比 2025 年 Q4 的標普 500 指數權重,“$NVDA 仍然是機構低配程度最大的大型科技股,其次是蘋果、微軟、亞馬遜和博通,而存儲巨頭閃迪則是 “最超 | [Link](https://longbridge.com/en/news/276289765.md) | | 亞馬遜低執行價的看跌期權收益率高 | 亞馬遜低行權價的賣出期權高收益 | [Link](https://longbridge.com/en/news/276073960.md) | --- > **Disclaimer**: This article is for reference only and does not constitute any investment advice.