NEW YORK, NY – October 21, 2026 (STL.News) Stock Market Today – U.S. stocks closed higher Wednesday as stronger corporate earnings and renewed confidence in artificial intelligence investments helped lift Wall Street’s major indexes. Technology shares led the advance, while weakness in telecommunications and streaming companies limited the broader market’s gains. The Nasdaq Composite rose 1.05%, outperforming the Dow Jones Industrial Average and S&P 500. The Dow gained more than 360 points, while the S&P 500 moved closer to its record high established earlier in October. Investors responded positively to SpaceX’s third-quarter results and Super Micro Computer’s improved preliminary
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