美国钢铁公司（X）美股盘后跌0.037%。美国白宫称，特朗普钢铁关税将从美东时间6月4日00:01生效。

Core Viewpoint - The U.S. Steel Corporation (X) experienced a post-market decline of 0.037% following the announcement of the implementation of Trump’s steel tariffs, effective June 4 at 00:01 Eastern Time [1] Company Summary - U.S. Steel Corporation's stock performance is negatively impacted by the upcoming steel tariffs [1] Industry Summary - The announcement of steel tariffs by the White House indicates a significant policy shift that could affect the steel industry [1]