特朗普宣称所谓“全球进口关税”提高到15% 数百家企业起诉要求退还为美政府“越权”关税支付的款项

Group 1 - The U.S. government plans to increase tariffs on global goods from 10% to 15% following a Supreme Court ruling that limits the president's authority under the International Emergency Economic Powers Act [1] - Hundreds of companies, including major retailers like Costco, have filed lawsuits seeking refunds for tariffs deemed "excessive" by the Supreme Court [1] - An estimate from the University of Pennsylvania suggests that tariffs imposed under the International Emergency Economic Powers Act may have exceeded $175 billion [1] Group 2 - The process for U.S. companies to apply for refunds on paid tariffs is currently unclear, indicating potential complexities in the refund process [1] - The burden of tariffs is not solely borne by U.S. companies, suggesting broader implications for various stakeholders affected by the tariff policies [1]