For almost a year, most of the largest U.S. retailers have spoken openly about the impact tariffs are having on their margins as they justify price increases for customers. Executives have addressed ...

Costco, the major members-only warehouse retailer, has sued US President Donald Trump's administration, demanding a refund for tariffs it has paid on imported goods, according to a lawsuit reviewed by ...

Costco is the largest US company to challenge the tariffs, which are a cornerstone of Trump's policy to address what he views as a chronic imbalance in US trade and to exert diplomatic pressure on ...