U.S. listed copper stocks shot higher today as investors took a shine to President Trump’s warning that imports of the metal could be a

President Donald Trump opened yet another front on Tuesday in his assault on global trade norms, ordering a probe into potential new tariffs on copper imports to rebuild U.S. production of a metal critical to electric vehicles,

President Donald Trump has signed an executive action directing the Commerce Department to examine possible copper tariffs, the latest in a string of measures aimed at imposing sector-specific levies that could reshape global supply chains.