Stock Market Today (Dec. 12, 2025): Tech Selloff Knocks S&P 500 and Nasdaq Off Records as Broadcom, Oracle Slide—While Dow and Canada’s TSX Take Different Paths
Friday’s market story is a familiar one for late 2025: the “AI trade” is back in the crosshairs. Just one day after U.S. benchmarks pushed to fresh highs, stocks turned sharply lower on December 12, 2025, as investors backed away from the highest-valued technology names—especially chip and cloud companies tied to the artificial-intelligence buildout—while money rotated toward more defensive and value-oriented pockets of the market. Reuters+1 The result: the S&P 500 and Nasdaq retreated meaningfully, with the pullback led by a renewed wave of selling in AI hardware and infrastructure plays. AP News+1 Wall Street recap: From record highs to