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 ...

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, ...

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 ...

The U.S. tariffs have caused COMEX copper prices to experience extreme price variance over the past months, leading to new ...

Aurubis on Tuesday reported higher-than-expected core profit for the first nine months of its 2024-2025 financial year, ...

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

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

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 ...