Steelmaker ArcelorMittal South Africa (AMSA) is effectively putting its ambitious decarbonisation plans on hiatus while it ...

U.S. copper prices plunged after President Trump unveiled 50% tariffs on copper products, but not on the raw material itself.

U.S. September COMEX copper futures plunged 19.1% to $4.517 a lb, or $9,958 per metric ton as of 0130 GMT, and the fall in COMEX copper slashed the premium over the London benchmark to $222 a ton from ...

The tariff trade, which has defined the copper market since February, has imploded. The CME's U.S. contract plummeted by more ...

WASHINGTON—As President Donald Trump prepares to announce new tariff increases, the costs of his policies are starting to come into focus for a domestic manufacturing sector that depends on global ...

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

The 50% tariffs imposed by the Trump administration on steel and aluminum imports from Canada continue to be costly to one of ...

The world's number two steelmaker, ArcelorMittal, said on Thursday its half-year net profit jumped on exceptional items but US tariffs began to eat into its margin.

ArcelorMittal , Outokumpu and Aperam warned of mounting pressures from tariffs and weak demand, as the outlook for European ...

Copper prices plunged 20% after Trump excluded refined copper from a 50% import tariff, ending a rally. Other factors and upcoming Chilean election may affect future prices.

(Reuters) -ArcelorMittal, has raised its estimate of the financial impact from U.S. tariffs and now expects them to reduce ...

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