Stock Market Today: S&P 500 and Nasdaq are up 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 tap — Live Feedhttps://www.live-feeds.com/feed/stock-market-today-s-p-500-and-nasdaq-are-up-in-tech-fueled-rally-as-nvidia-s-stock-jumps-after-its-earnings-beat-expectContinuously updated, source-cited coverage. Nvidia Earnings Beat Drives S&P 500 and Nasdaq Higherhttps://www.live-feeds.com/feed/stock-market-today-s-p-500-and-nasdaq-are-up-in-tech-fueled-rally-as-nvidia-s-stock-jumps-after-its-earnings-beat-expecthttps://www.live-feeds.com/feed/stock-market-today-s-p-500-and-nasdaq-are-up-in-tech-fueled-rally-as-nvidia-s-stock-jumps-after-its-earnings-beat-expect#u50689Fri, 28 Aug 2026 08:50:52 +0000The S&P 500 and Nasdaq rose Friday following a tech-led rally sparked by Nvidia's second quarter fiscal 2027 results. Nvidia stock jumped after the company reported profits and revenue that exceeded Wall Street estimates. The Dow Jones Industrial Average also increased, supported by a surge in Salesforce shares. These market gains coincide with the start of the Jackson Hole symposium. Investors now await upcoming financial results from Marvell Technology.Why it mattersNvidia is a primary driver of the current artificial intelligence investment cycle. Market performance often hinges on