WASHINGTON U.S. President Donald Trump's threat to impose 50 percent tariffs on copper imports has roiled the strategic metal on markets. Copper prices surged almost 17 percent in New York trading to reach a record high of $5.73 per pound on July 8. However, it declined slightly on the London Metal Exchange. Several analysts say a copper tariff could curb U.S. demand by increasing supply costs, which could put sustained downward pressure on prices outside the United States as the world's

Tag-uri: Donald Trump