Microsoft Stock (MSFT) After Hours on Dec. 19, 2025: Closing Price, Late Trading Moves, and What to Watch Before the Next Opening Bell
Microsoft shares closed at $485.92 Friday, up 0.4%, then slipped to around $485 in after-hours trading on volume of 16.3 million shares. The session was shaped by AI-driven gains and heavy options expirations, with about $7.1 trillion in contracts expiring. Microsoft’s market cap stood near $3.85 trillion. The S&P 500 rose 0.9%, Nasdaq 1.3%.