Costco joins the growing list of retailers seeing a k-shape forming.People shop at a grocery store in Elkridge, Md., on Oct. 24, 2025. Madalina Kilroy /The Epoch Times12/12/2025|Updated: 12/12/2025Membership-based wholesale retailer Costco’s latest earnings spotlighted a growing K-shaped divide among its shoppers.In recent months, economists and corporations have referenced a divergence between high- and low-income households, leading to two distinct economic trajectories across the U.S. marketplace. This K-shaped divide features the “upper arm” of the K flourishing and the “lower arm” declining.Andrew Moran has been writing about business, economics, and finance for more than a decade. He is the author of “The War on Cash.”Author’s Selected Articles





