Stocks Post Steepest Decline in Months as A.I. Worries Weigh on Markets

Summary

U.S. stocks fell sharply as investors grew anxious about artificial intelligence. The S&P 500 dropped more than 1.4 percent, its largest one-day decline since July, while the tech-heavy Nasdaq slumped nearly 2.5 percent, its biggest one-day drop since June. The New York Times reported the market moves on October 22, 2026.

Timeline

1. The New York Times

   22 Oct 2026, 20:11 UTCSource ↗

   The New York Times reports that the S&P 500 fell more than 1.4 percent, its largest daily decline since July, while the Nasdaq slumped nearly 2.5 percent, its biggest one-day drop since June, as stocks saw their steepest decline in months amid A.I. worries.