AI Stocks Today (Dec. 18, 2025): Nvidia, Microsoft, Broadcom and Micron Rebound as Inflation Cools and OpenAI’s Mega-Round Talk Raises the Stakes
Micron shares jumped after the company issued a stronger-than-expected profit forecast, citing continued shortages in high-bandwidth memory for AI servers. The S&P 500 rose 0.78%, Nasdaq gained 1.37%, and Dow added 0.14% as AI-linked stocks led a broad rebound. U.S. inflation data came in cooler than forecast, fueling gains in growth stocks. Reuters noted the inflation report was affected by government shutdown disruptions.