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.

U.S. President Donald Trump's threat of a 50% tariff on copper imports is raising alarm in the U.S. auto sector, as it could make it even harder for carmakers and suppliers to absorb border taxes and rising costs,

President Donald Trump said he will put a 50% tariff on copper imports effective Aug. 1. "I am announcing a 50% tariff on copper, effective Aug. 1, 2025, after receiving a robust national security assessment,