American steelmakers surge after Trump doubles tariffs on imported steel, aluminum to 50%
Shares of U.S. steel producers rally in pre-market trading Monday, with Cleveland-Cliffs (NYSE:CLF) +28.6%, Steel Dynamics (STLD) +13% and Nucor (NYSE:NUE) +10.3%, after President Trump said Friday that tariffs on imported steel and aluminum would increase to 50% from 25%,