Costco Wholesale Corp. (COST) reported strong free cash flow (FCF) and FCF margins on Dec. 11. However, COST stock has tumbled, down 8.7% over the last year. That makes COST stock attractive to value investors and could be a bargain here. COST closed at $873.35 on Friday, Dec. 26, 2025. That's up from a closing price trough of $850.00 on December 22, but still down 8.66% from $956.14 a year ago on December 24, 2024, and is off 4.68% YTD ($916.27 on December 31, 2024). This does not make sense. More News ...