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 ...

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, ...

Nearby COMEX copper futures in late July rose to a new record high of $5.8950 a pound. Last week the bottom fell out of the ...

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

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

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 ...

Raw copper materials will not face the high duty that had been expected, but consumer goods prices may still be impacted.

Copper (HG1:COM) futures gained for a second straight day as Chile’s mining giant Codelco dealt with the fallout from a fatal ...

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

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