Copper miners gain as red metal prices edge up on supply fears

U.S.-listed shares of copper miners rise premarket, tracking prices of the red metal

Benchmark three-month copper CMCU3 on the London Metal Exchange up 1% at $9,722.50 a metric ton, building on Friday's modest gains

Copper prices rose on supply fears after a fatal mining collapse in Chile, the world's biggest producer, but gains were capped by concerns over the global economy

Chilean copper giant Codelco halted mining at its El Teniente mine last week after a tremor and collapse that killed six workers

Global mining giants Rio Tinto RIO.N and BHP Group BHP.N each up marginally

Copper miners Southern Copper SCCO.N up 1.3% and Freeport-McMoRan FCX.N up ~1%

Canadian miners Hudbay Minerals HBM.TO, HBM.N up marginally and Ero Copper ERO.TO, ERO.N up 2.8%