Micron (MU) After Hours: What to Know Before the Stock Market Opens on December 12, 2025
Micron shares closed at $258.46 on Thursday, down 2%, then rebounded to $260.12 in after-hours trading. The stock remains up over 200% in 2025 and recently hit a record high near $264.75. Thursday’s drop followed a sharp sell-off in Oracle after weak earnings, which pressured AI-linked tech stocks. No company-specific news drove Micron’s after-hours move.