For copper miners Southern Copper Corp. and Vale SA, surging prices of byproducts like gold and silver are creating an unusual situation: The cost of producing the red metal has turned negative.
For copper miners Southern Copper Corp. and Vale SA, surging prices of byproducts like gold and silver are creating an unusual situation: The cost of producing the red metal has turned negative.
Employees remove copper debris during the electrolytic refining process of copper at a Southern Copper Corp. refinery.
Anmelden
