LONDON, July 9 (Reuters) - U.S. copper futures widened their premium to the London benchmark on Wednesday, reflecting U.S. President Donald Trump's plan to impose a 50% import tariff on the metal.

Trump administration’s surprise announcement of a 50 percent tariff on copper imports has sent shockwaves through global ...

Billionaire mining entrepreneur Robert Friedland welcomed US President Donald Trump’s vow to impose a 50 per cent tariff on ...