Donald Trump orders new tariff investigation into US copper imports

Donald Trump on Tuesday opened yet another front in his assault on global trade norms, ordering a new investigation into possible tariffs on copper imports to rebuild US production of a metal critical to electric vehicles, military hardware, semiconductors and a wide range of consumer goods. Trump, looking to thwart what his advisers see as a move by China to dominate the global copper market, signed an order directing commerce secretary Howard Lutnick to start a new national security investigation under Section 232 of the Trade Expansion Act of 1962, the same law that Trump used in his first term…