Costco stock ends at $940: Instacart’s Europe delivery launch and Fed pick set up next week
New York, Jan 31, 2026, 10:46 ET — The market has closed. Shares of Costco Wholesale Corporation slipped 1.3% on Friday, ending the session at $940.25. Throughout the day, the stock fluctuated between $930.62 and $951.01, with roughly 2.4 million shares changing hands.