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, ...

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

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

Front Month Comex Copper for August delivery gained 0.25 cent per pound, or 0.06% to $4.4150 today --Up 8.45 cents or 1.95% over the last two sessions --Off 23.81% from its 52-week high of $5.795 hit ...

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

Thursday - and has likely brought a halt to a popular trading strategy. Arbitrage is a strategy that takes advantage of a difference in price for the same product in two or more markets. In copper's ...

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

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 ...

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

US copper prices plunged by as much as 20% after President Trump said he would impose 50% tariffs on imports of semi-finished ...