China’s insatiable appetite for metals like copper is falling off a cliff. It’s destroying prices of raw materials. And killing U.S. jobs. Copper — a key indicator of global growth — has been hit ...

SUPERIOR, Ariz. (AP) — An Arizona mining company announced Friday it will suspend shaft and drilling work at its Superior operation and eliminate about 400 jobs, saying the moves are the result of ...

Copper prices headed lower on Tuesday, pressured as a rise in the November U.S. unemployment rate raised concerns about the economy — and short-term demand for the industrial metal. Looking to the ...

SINGAPORE — Copper prices firmed on Monday after strong U.S. jobs data eased fears of a possible recession in the world’s largest economy and ahead of renewed efforts this week to resolve the ...