Costco Stock COST After Hours on Dec. 23, 2025: Latest News, Forecasts, and What to Watch Before the Market Opens Wednesday
Costco shares closed Tuesday at $854.79, up 0.5% from Monday, and showed little movement after hours. Trading volume was light ahead of Wednesday’s shortened Christmas Eve session. The stock sits just above its 52-week low, despite recent sales growth. No major company news was released after the bell.