AMD Stock After Hours Today (Dec. 19, 2025): Why Shares Jumped, What’s Driving the Move, and What to Watch Before the Next Market Open
Advanced Micro Devices Inc. (NASDAQ: AMD) ended Friday with a sharp rally and then held onto gains in after-hours trading, capping a volatile week for AI-exposed semiconductor names. AMD closed the regular session at $213.43, up 6.15% on the day, after trading between $204.20 and $215.18. In after-hours trading, the stock was $214.31 (+0.41%) as of 6:11 p.m. ET. StockAnalysis…