Costco stock slips in year-end session as traders eye Jan. 7 sales update for COST
NEW YORK, December 31, 2025, 14:14 ET — Regular session Costco Wholesale Corporation shares were slightly lower on Wednesday as Wall Street eased in the final trading session of 2025. The muted move matters because Costco is closely watched as a bellwether for value-focused spending and membership-driven retail, especially heading into fresh monthly sales data in early January. It also comes during thin holiday trading, when smaller orders can have an outsized impact on prices and investors reposition ahead of the New Year’s market break. Costco shares were down $1.28, or about 0.1%, at $864.37 in afternoon trading. The stock