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

Core Insights - Costco Wholesale Corporation (COST) demonstrated strong comparable sales growth in May, appealing to value-focused consumers in an inflationary environment [1][5] Sales Performance - For the four weeks ending June 1, 2025, Costco reported a 4.3% year-over-year increase in total comparable sales, with U.S. sales up 4.1%, Canada up 3.3%, and Other International markets up 6.6% [2] - Adjusted comparable sales, excluding gasoline price fluctuations and foreign exchange impacts, showed U.S. comps climbing 5.5%, Canada up 6.3%, and Other International markets up 8.4%, leading to an overall growth of 6% [3] - E-commerce sales surged 11.6%, or 12% when adjusted for fuel and currency, continuing the trend of strong online performance [4] Financial Highlights - Costco's net sales for May increased by 6.8% to $20.97 billion, compared to $19.64 billion in the same period last year, following sales improvements of 7% in April and 8.6% in March [4][7] Business Model Strength - The company's membership-based structure, high renewal rates, efficient supply-chain management, and bulk purchasing power are key drivers of growth and customer loyalty [5]