--- title: "U.S. Stock Market: Amazon's Surge Boosts AI Concept Stocks, All Three Major Indices Rise" type: "News" locale: "en" url: "https://longbridge.com/en/news/294559333.md" description: "Driven by Amazon's strong performance, which led to a 15% surge in its stock price, artificial intelligence concept stocks strengthened, and all three major U.S. stock indices rose collectively. The S&P 500 index increased by 0.7%, and the NASDAQ 100 index rose by 0.6%. Despite Apple's disappointing earnings guidance causing a significant drop of 7.4%, the overall performance of the earnings season has been optimistic, with 86% of the companies that have reported earnings exceeding expectations. Additionally, concerns about inflation have intensified, leading to a slight increase in U.S. Treasury yields, while geopolitical tensions have pushed oil prices higher" datetime: "2026-07-31T21:43:05.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294559333.md) - [en](https://longbridge.com/en/news/294559333.md) - [zh-HK](https://longbridge.com/zh-HK/news/294559333.md) --- # U.S. Stock Market: Amazon's Surge Boosts AI Concept Stocks, All Three Major Indices Rise Driven by Amazon's strong performance, which boosted its stock price by 15%, artificial intelligence concept stocks generally strengthened, and the S&P 500 index closed higher on Friday. The S&P 500 index rose by 0.7%, while the tech-heavy NASDAQ 100 index increased by 0.6%. The Philadelphia Semiconductor Index rose by 0.1%, and the VIX volatility index hovered around 16.11. Among the 11 sectors of the S&P 500 index, 4 sectors rose, with consumer discretionary and communication services leading the gains. Katie Klingensmith, Chief Investment Strategist at Edelman Financial Engines, stated, "After a month of significant volatility, stock market valuations and positions remain quite optimistic." Amazon's performance boosted market sentiment, offsetting the negative impact from Apple. Apple's stock price fell sharply by 7.4%, marking its largest single-day decline since April 2025, following the company's disappointing earnings guidance. Statistics show that with the earnings season halfway through, 86% of the 291 S&P 500 constituents that have reported earnings exceeded market expectations. As the market refocuses on inflation issues, the yield on the 10-year U.S. Treasury rose by about 3 basis points to 4.71%. Dallas Federal Reserve President Logan stated that if the central bank does not take action, inflation may not fall back to the 2% target set by officials. SpaceX will announce its earnings for the first time since going public next week, with the stock falling 3.4% on Friday, reaching its lowest closing level since the IPO. U.S. President Trump stated on Friday that he is losing confidence in Iran's negotiating representatives. WTI rose to around $85 per barrel. At the close, the S&P 500 index rose by 0.7%, closing at 7489.72 points; The Dow Jones Industrial Average rose by 0.5%, closing at 52485.03 points; The NASDAQ Composite Index rose by 1%, closing at 25373.85 points; The NASDAQ 100 index rose by 0.6%, closing at 28274.2 points; The Russell 2000 index fell by 0.5%, closing at 2931.339 points ### Related Stocks - [AAPL.US](https://longbridge.com/en/quote/AAPL.US.md) - [AMZN.US](https://longbridge.com/en/quote/AMZN.US.md) - [AAPX.US](https://longbridge.com/en/quote/AAPX.US.md) - [AAPB.US](https://longbridge.com/en/quote/AAPB.US.md) - [SPY.US](https://longbridge.com/en/quote/SPY.US.md) - [QQQ.US](https://longbridge.com/en/quote/QQQ.US.md) - [SCO.US](https://longbridge.com/en/quote/SCO.US.md) - [UCO.US](https://longbridge.com/en/quote/UCO.US.md) - [.NDX.US](https://longbridge.com/en/quote/.NDX.US.md) - [AAPU.US](https://longbridge.com/en/quote/AAPU.US.md) - [AMZD.US](https://longbridge.com/en/quote/AMZD.US.md) - [BNO.US](https://longbridge.com/en/quote/BNO.US.md) - [AMZZ.US](https://longbridge.com/en/quote/AMZZ.US.md) - [AAPD.US](https://longbridge.com/en/quote/AAPD.US.md) - [SQQQ.US](https://longbridge.com/en/quote/SQQQ.US.md) - [.SPX.US](https://longbridge.com/en/quote/.SPX.US.md) - [AMZW.US](https://longbridge.com/en/quote/AMZW.US.md) - [USO.US](https://longbridge.com/en/quote/USO.US.md) - [AMZU.US](https://longbridge.com/en/quote/AMZU.US.md) - [AAPW.US](https://longbridge.com/en/quote/AAPW.US.md) - [APLY.US](https://longbridge.com/en/quote/APLY.US.md) - [AAPY.US](https://longbridge.com/en/quote/AAPY.US.md) - [MAGX.US](https://longbridge.com/en/quote/MAGX.US.md) - [AMZO.US](https://longbridge.com/en/quote/AMZO.US.md) - [AMZY.US](https://longbridge.com/en/quote/AMZY.US.md) - [AZYY.US](https://longbridge.com/en/quote/AZYY.US.md) - [AMZP.US](https://longbridge.com/en/quote/AMZP.US.md) - [QLD.US](https://longbridge.com/en/quote/QLD.US.md) - [TQQQ.US](https://longbridge.com/en/quote/TQQQ.US.md) - [PSQ.US](https://longbridge.com/en/quote/PSQ.US.md) - [QID.US](https://longbridge.com/en/quote/QID.US.md) - [QYLD.US](https://longbridge.com/en/quote/QYLD.US.md) - [JEPQ.US](https://longbridge.com/en/quote/JEPQ.US.md) - [QQQI.US](https://longbridge.com/en/quote/QQQI.US.md) - [IVV.US](https://longbridge.com/en/quote/IVV.US.md) - [VOO.US](https://longbridge.com/en/quote/VOO.US.md) - [SPLG.US](https://longbridge.com/en/quote/SPLG.US.md) - [SPXL.US](https://longbridge.com/en/quote/SPXL.US.md) - [UPRO.US](https://longbridge.com/en/quote/UPRO.US.md) - [SSO.US](https://longbridge.com/en/quote/SSO.US.md) - [SH.US](https://longbridge.com/en/quote/SH.US.md) - [SPXS.US](https://longbridge.com/en/quote/SPXS.US.md) - [SPXU.US](https://longbridge.com/en/quote/SPXU.US.md) - [SDS.US](https://longbridge.com/en/quote/SDS.US.md) - [SPYI.US](https://longbridge.com/en/quote/SPYI.US.md) - [JEPI.US](https://longbridge.com/en/quote/JEPI.US.md) - [XYLD.US](https://longbridge.com/en/quote/XYLD.US.md) - [.VIX.US](https://longbridge.com/en/quote/.VIX.US.md) - [SPCX.US](https://longbridge.com/en/quote/SPCX.US.md) - [.DJI.US](https://longbridge.com/en/quote/.DJI.US.md) - [.IXIC.US](https://longbridge.com/en/quote/.IXIC.US.md) ## Related News & Research - [Discover top deals with AI-powered shopping this Great Freedom Sale on Amazon.in starting 7th August 2026](https://longbridge.com/en/news/294095182.md) - [Recursive Superintelligence signs $400 compute deal with Amazon](https://longbridge.com/en/news/294074017.md) - [Prediction: CEO Andy Jassy will raise Amazon's full-year 2026 capex guide on July 30](https://longbridge.com/en/news/293883787.md) - [Amazon cracks down on use of AI images by sellers after New York law](https://longbridge.com/en/news/293681872.md) - [Amazon, Walmart AI detect 'made in USA' fraud but do not flag it, study says](https://longbridge.com/en/news/294339580.md)