Stock Market Today: S&P 500 and Nasdaq are up 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-as-nvidia-s-stock-jumps-after-its-earnings-beat-expectations-dow-rises-as-sContinuously updated, source-cited coverage. Nvidia Earnings Beat Drives S&P 500 and Nasdaq Gainshttps://www.live-feeds.com/feed/stock-market-today-s-p-500-and-nasdaq-are-up-as-nvidia-s-stock-jumps-after-its-earnings-beat-expectations-dow-rises-as-shttps://www.live-feeds.com/feed/stock-market-today-s-p-500-and-nasdaq-are-up-as-nvidia-s-stock-jumps-after-its-earnings-beat-expectations-dow-rises-as-s#u50612Fri, 28 Aug 2026 07:46:16 +0000The S&P 500 and Nasdaq rose Friday as Nvidia shares climbed following second quarter fiscal 2027 results that beat profit and revenue estimates. The Dow Jones Industrial Average also increased, supported by a surge in Salesforce shares. Market activity coincides with the start of the Jackson Hole symposium. While Nvidia's performance boosted tech indices, investors are now awaiting financial results from Marvell Technology.Why it mattersNvidia's financial performance serves as a primary indicator for the artificial intelligence sector's health. The Jackson Hole symposium typ