US Stock Market Today (Dec. 18, 2025, 4:18 p.m. ET): S&P 500 and Nasdaq Rebound as Softer Inflation and Micron Spark a Tech-Led Rally
U.S. stocks closed higher Thursday, with the S&P 500 up 0.78%, the Nasdaq rising 1.37%, and the Dow adding 0.14%. November’s Consumer Price Index rose 2.7% year over year, below expectations, but lacked month-to-month data due to a government shutdown. Bond yields fell, and traders increased bets on Fed rate cuts. Semiconductor earnings drove gains in tech shares.