Costco stock slips ahead of December sales report after the bell
New York, January 7, 2026, 14:14 (ET) — Regular session Costco Wholesale shares fell about 0.5% to $884.59 in afternoon trading on Wednesday, with investors waiting for the retailer’s December sales update due after the market close. Costco Investor Relations The monthly release is a fast checkpoint after the holiday rush, and it can move expectations before the next wave of earnings reports hits the retail sector. Traders will zero in on comparable sales — sales at warehouses open at least a year — and what they imply for membership momentum, where Costco makes most of its profit. Costco beat