CHICAGO, Illinois — A Costco member has filed a proposed class-action lawsuit accusing the retail giant of unfairly profiting from tariff-related price increases while seeking billions in refunds from ...

Four Costco members in Washington filed a class-action lawsuit on Friday against the company to recover funds for customers who paid tariffs on imported products.

SEATTLE — A proposed class action lawsuit filed in federal court in Seattle accused Costco of charging shoppers higher prices tied to federal tariffs, then seeking refunds for those same tariff costs ...