Prices of copper in the US have surged since January, when President Donald Trump threatened to impose a tariff on imports of the metal that’s a vital component in power networks, plumbing and industrial machinery.

Gold edges higher in the early morning Asian session amid lingering global trade tensions.

Global copper traders are offering cargoes to Chinese buyers as they look to offload metal no longer able to reach the U.S. before President Donald Trump's 50% copper tariff deadline.