Costco grows but margin and valuation pressures build
Solid fiscal 2026 growth Costco's fiscal 2026 sales rose 10.2% to $297.3B, digital sales topped $33B, and paid members reached 84.1M. It expanded delivery to 47 states, gained market share from Kroger, and announced 33 new warehouses.
Shows the core business continued to expand, supporting the stock.
Margin pressures and cost headwinds Gross margin slipped to 11.02% due to a $152M LIFO charge, membership fee growth slowed to 7.3%, and AI-driven memory chip inflation squeezed electronics margins. A grocery price war loomed, and the DOJ expanded its beef price probe to include Costco.
These factors threaten profitability and could weigh on the stock.
High valuation leaves little room for error Costco's premium ~40x forward P/E makes the stock vulnerable to any slowdown. Tariff uncertainty and Fed rate caution add further pressure, as comparable sales growth slowed to 8.8%.
Valuation and macro risks could trigger a pullback if growth disappoints.