If Trump imposes tariffs on copper imports, it could benefit domestic producers, including Freeport-McMoRan, which operates ...

In a first, researchers have developed a new copper alloy that's one of the most resilient copper-based materials ever made.

The state-owned miner said its own output totaled 296,000 metric tons, up 0.3% from the same period last year.

As a result of growing demand, America imported 810,000 tons of copper last year. And yet, American supply is falling behind.

Copper smelters in China can extract gold from copper ore, and either refine it themselves or ship it to third parties, ...

currently operating US smelters are unable to process all domestically produced concentrate — a lack of processing capacity that makes the US a significant importer of refined copper metal.

LME copper climbed to a two-week high yesterday after reopening from the long Easter weekend. Dollar weakness seen in recent days is providing some support. Meanwhile, comments from Trump suggesting a ...