The US market is heavily reliant on imported copper, aluminum and steel, and developing new capacity could take years.

The planned 50% tariff on copper imports may turn out to be the biggest own goal of US President Donald Trump’s ongoing trade ...

Copper retreated from record highs on Wednesday as industry watchers grappled with what a 50% tariff rate on imports would do ...

U.S. President Donald Trump said he will announce a 50 per cent tax on imported copper on Tuesday — adding to the growing ...

President Trump said Tuesday that an ongoing investigation of tariffs on copper will end with 50% duties on the metal, and he ...

Glencore, the Swiss mining and metals trading giant that mines copper in Ontario and processes it in Quebec, both imports ...

Glencore PLC and Teck Resources Ltd. among Canadian companies impacted by Trump’s tariffs on copper to boost U.S. metal ...

Freeport-McMoRan FCX-N could see a US$1.6-billion boost to annual profit if U.S. President Donald Trump’s copper tariff ...

United States President Donald Trump sowed fresh chaos in metals markets by indicating the U.S. would implement a higher-than ...

When asked about the copper tariffs, Industry Minister Melanie Joly said she had not yet seen any executive order on the ...

Choi said that the U.S. has the ability to ramp up copper smelting capacity within a couple of years, while building new ...

U.S. President Donald Trump did not say when the copper tariffs would take effect, but noted he would give drug makers up to ...