U.S. stocks fell during the session, weighed down by higher-than-expected October U.S. inflation data and concerns over AI valuations. The Dow Jones Industrial Average fell 157.86 points, or 0.30%, to 52,231.89; the S&P 500 dropped 29.01 points, or 0.38%, to 7,520.93; and the Nasdaq Composite lost 187.26 points, or 0.74%, to 25,065.87.