From AI enthusiasm to bubble worries in one day
Traders work on the floor at the New York Stock Exchange (NYSE) in New York City, U.S., Nov. 20, 2025. Brendan McDermid | Reuters U.S. stocks delivered one of their sharpest mood swings in months on Thursday. The Nasdaq Composite ended down 2.16% after spending the morning stateside up as much as 2.6%. The wild…