US Stock Market Today (Dec. 17, 2025): S&P 500 and Nasdaq Sink as AI-Funding Jitters Hit Tech; Oil Rally Lifts Energy
Updated: December 17, 2025, 4:40 PM EST Wall Street ended sharply lower Wednesday as the market’s leadership trade—artificial intelligence—took another hit, dragging big tech, chips, and cloud-linked names down to their weakest levels in weeks. The selling pressure pushed the S&P 500 down 1.2% to 6,721.43, while the Nasdaq Composite slid 1.8% to 22,693.32. The Dow Jones Industrial Average fell 228 points (0.5%) to 47,885.97. Reuters+1 The headline theme was familiar, but the triggers kept piling up: a fresh funding setback tied to Oracle’s data-center buildout, new reporting on Alphabet’s effort to loosen Nvidia’s grip on AI software, and an ongoing debate over whether the