A U.S. decision last week to exempt refined copper metal from import duties is in contrast to an earlier move to levy steep ...

This sudden policy change was a brutal shock to traders. For weeks, market speculation about a broad, all-encompassing tariff had fueled a rally, sending COMEX copper futures to record highs. Traders, ...

The once-mighty premium U.S. copper enjoyed over the global benchmark slid on Thursday as markets clawed back months of gains ...

Comex copper plunged over 19% in minutes after Trump excluded refined metal from his planned import tariff - the largest ...

Aurubis says it expects the higher contributions from sulfuric acid, copper products and metals to continue for the rest of ...

U.S. copper prices plunged by as much as 20% in late trading Wednesday after President Trump said he would begin 50% tariffs ...

U.S. copper prices surged due to fears of a 50% tariff on imported copper, but a surprise exemption for raw copper materials ...

Copper traders were caught flat-footed after refined copper was exempted from Trump's new tariffs. The exemption triggered a ...

US President Donald Trump's decision to exclude refined metal from his proposed import tariff led to an immediate and ...

President Donald Trump’s decision this week to impose tariffs starting Aug. 1 on imports of certain copper products, but not ...

Since June, aluminum metal shipped to the US, where smelters face higher electricity bills than copper producers, has ...

By Lewis Jackson BEIJING (Reuters) -Benchmark copper prices on the London Metals Exchange rose at the open on Thursday as ...