Copper miners gain as red metal rises on weak US dollar

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

Benchmark three-month copper CMCU3 up 0.9% at $13,286 a metric ton

Copper prices rise on weaker dollar and stronger appetite for risk across financial markets; however, gains were capped by rising inventories and weak Chinese demand

Shares of global mining giant Rio Tinto RIO.N up 1.3%

Copper miners Southern Copper SCCO.N and Freeport-McMoRan FCX.N rise 1.2% each

Canada's Hudbay Minerals HBM.TO, HBM.N and ERO Copper ERO.TO, ERO.N both up 1.1%