
Updates
Shares of steel and aluminum manufacturers in the United States rise after President Donald Trump raises tariffs on steel and aluminum imports to a flat 25% "without exceptions or exemptions"
United States Steel X.N, Nucor NUE.N and Steel Dynamics STLD.O up 1% each; Cleveland-Cliffs CLF.N up more than 2%
Roughly a quarter of all steel used in the U.S. is imported, mostly from neighbors Mexico and Canada or close allies in Asia and Europe like Japan, South Korea and Germany
Aluminum companies Century Aluminum CENX.O rises 10% and Alcoa AA.N rises 3%
Roughly half all aluminum used in the U.S. is imported, with the vast majority coming from Canada