US Stock Market Today Dec. 18, 2025: Dow, S&P 500 and Nasdaq Rise After Cooler CPI as Micron Sparks Tech Bounce
NEW YORK — As of 9:49 a.m. ET on Thursday, December 18, 2025, U.S. stocks were higher across the board after a softer-than-expected inflation update revived interest-rate cut hopes and a Micron surge lifted chip and AI-linked shares. US stock market snapshot at 9:49 a.m. ET Early trading showed a risk-on tone: In markets tied closely to Fed expectations, investors…