Wall Street Extends Sell-Off Amid AI Valuation Jitters and Fading Rate Cut Hopes

The U.S. stock market is experiencing a significant downturn today, Tuesday, November 18, 2025, extending a sell-off that began on Monday. Midday trading patterns reveal a pervasive "risk-off" sentiment, largely driven by mounting concerns over the lofty valuations of artificial intelligence (AI) related stocks and diminishing expectations for an imminent Federal Reserve interest rate cut. All three major U.S. indexes are sharply lower for a second consecutive session, with technology shares bearing the bru ...