Costco (COST) stock fell more than 2% early Friday after its fourth quarter results showed US same-store sales came in slightly below forecasts as the company navigated a choppy consumer landscape, tariff-related pressure, and competition from peers like Walmart's (WMT) Sam's Club. Costco's headline profits and revenue beat Wall Street expectations, with revenue at the wholesale giant clocking in at $86.16 billion compared to expectations of$86.03 billion, with adjusted earnings per share coming in at $5 ...