ソース:[1] Why Lululemon's Battle With Costco Could Make or Break Its Stock | The Motley Fool (https://www.fool.com/investing/2025/09/20/why ...)[2] Lululemon's Retail Crossroads: Can Premium Pricing Survive Costco's Value-Driven Challenge? (https://vertexaisearch.cloud.google.com/groun ...)[3] Lululemon's Retail Crossroads: Can Premium Pricing Survive Costco's Value-Driven Challenge? - AInvest (https://vertexaisearch.cloud.google.com/groun ...)