Stock Market on Aug. 27, 2026: S&P 500 and Nasdaq close higher in tech-fueled rally as Nvidia's stock jumps after its earnings beat expectations; Dow rises as Salesforce shares surge and Jackson Hole symposium gets started; Marvell Technology results on — Live Feedhttps://www.live-feeds.com/feed/stock-market-on-aug-27-2026-s-p-500-and-nasdaq-close-higher-in-tech-fueled-rally-as-nvidia-s-stock-jumps-after-its-earniContinuously updated, source-cited coverage. Nvidia Earnings Drive Tech Rally as S&P 500 and Nasdaq Close Higherhttps://www.live-feeds.com/feed/stock-market-on-aug-27-2026-s-p-500-and-nasdaq-close-higher-in-tech-fueled-rally-as-nvidia-s-stock-jumps-after-its-earnihttps://www.live-feeds.com/feed/stock-market-on-aug-27-2026-s-p-500-and-nasdaq-close-higher-in-tech-fueled-rally-as-nvidia-s-stock-jumps-after-its-earni#u51789Sat, 29 Aug 2026 13:05:52 +0000The S&P 500 and Nasdaq rose on August 27, 2026, fueled by a rally in technology stocks after Nvidia reported second-quarter fiscal 2027 earnings that beat expectations. Nvidia shares jumped 7%, adding $442 billion in market value, the second largest single-day surge in history. The Dow Jones Industrial Average also climbed, supported by a surge in Salesforce shares. Market sentiment shifted as Nvidia's results and its guidance for 70% revenue growth in fiscal year 2028 reduced investor concerns regarding the sustainability of AI demand.Why it mattersThe rally occurs as the Jackson Hol