Costco Joins Dozens of Businesses Suing Over Trump's Tariffs

Group 1 - Costco has joined other large American companies in suing the Trump administration over import tariffs imposed this spring [1][2] - The lawsuit argues that refunds for unlawfully collected tariffs are not guaranteed without judicial relief, necessitating this separate action [2] - Costco is less exposed to tariffs compared to other retailers, with only one-third of its U.S. sales coming from imports, and less than half of those imports sourced from Canada, China, and Mexico [2]