Costco Sales Surge in May: E-Commerce Leads the Way With a 12% Jump

Key Takeaways Costco Wholesale Corporation (COST) maintained its decent comparable sales growth trend in May, underscoring continued appeal among value-focused shoppers. Costco's ability to offer quality merchandise at competitive pricing — both in-store and through its growing e-commerce platform — remains a key draw for consumers navigating an inflationary environment. Decoding Costco's May Comparable Sales For the four weeks ended June 1, 2025, Costco reported a 4.3% year-over-year increase in total comp ...