Global Stock Market Today: AI-Led Tech Jitters Hit Asia, Europe Turns Cautious Before Central Banks, Micron Lifts U.S. Futures (Dec. 18, 2025)
Updated: 5:00 AM EST (10:00 GMT), Thursday, December 18, 2025 Global equities are starting December 18 on an uneasy footing, with investors reassessing the durability of the AI-fueled rally just as a dense run of central bank decisions and a