Fast-fashion giants like Shein and Temu have been doing booming business in the United States in recent years, in part because of a tariff exemption that’s helped to keep prices low on packages shipped from China. Now, President Trump has…

Fast-fashion giants like Shein and Temu have been doing booming business in the United States in recent years, in part because of a tariff exemption that’s helped to keep prices low on packages shipped from China. Now, President Trump has…