Stock Market U.S. stocks closed out October with a sharp sell-off on Friday as disappointing tech earnings deepened worries about artificial intelligence spending. The Nasdaq posted its largest one-day percentage drop since June 5 and has now fallen 7.8% from its all-time closing high on October 6. Intel shares fell nearly 29%, the chipmaker’s biggest single day drop since 1974. For the month, Wall Street’s three major indices performed as follows: S&P 500: -0.9% Dow: +1.7% Nasdaq: -5.3% The Nasdaq Composite posted its steepest monthly decline since March 2025. Analysts attributed the sell-off to growing concern that big tech companies’ […]