AMD Stock After Hours on December 11, 2025: What Investors Need to Know Before the December 12 Open
By the closing bell on Thursday, December 11, 2025, AMD finished essentially flat at about $221.41, with extended trading dipping only slightly to around $221.30.MarketBeat Under the surface, though, there was a 5% intraday swing, heavy options activity, and a steady drumbeat of headlines about China export rules, Oracle’s AI spending, and questions about an “AI bubble.”