The United States produces a lot of copper, but still imports roughly 40 percent of what it consumes, primarily from Chile. Demand for copper tends to persist in the face of swings, so “producers may pass most of the tariff burden onto U.S. consumers ...

Goldman Sachs said on Wednesday that copper shipments into the United States are expected to accelerate in the coming weeks following U.S. President Donald Trump's announcement of a 50% tariff on imported copper.

WASHINGTON (Reuters) -President Donald Trump said on Tuesday he will announce a 50% tariff on copper later in the day, aiming to boost U.S. production of a metal critical to electric vehicles, military hardware, the power grid and many consumer goods.