This Is Costco's Secret Weapon Against Inflation

In the current economic environment, many retailers are struggling. While unemployment remains low and growth in gross domestic product (GDP) has been solid, the past few years of high inflation have eaten into consumers' budgets.This has resulted in headwinds for many stocks, from restaurants to retailers.However, in this adverse spending climate, big-box discount retailer Costco Wholesale (COST -0.08%) just posted impressive growth and even margin expansion. Investors can thank the company's major competi ...