Costco Stock (COST) After the Bell Today (Dec. 24, 2025): Why Shares Popped and What to Know Before Markets Reopen
Costco shares rose about 2% to $871.86 in a shortened Christmas Eve session on December 24, 2025, with volume at 1.77 million shares. Northcoast Research upgraded the stock to “Buy” with a $1,100 target, fueling the move. U.S. markets close December 25 for Christmas and reopen December 26.