Copper miners gain on US tariff exemptions, China stimulus hopes

Shares of copper miners up premarket, tracking prices of the red metal

Benchmark three-month copper CMCU3 on the London Metal Exchange up 1% at $9,246 a metric ton, after hitting $9,271.5 a metric ton for its highest since April 4

Copper prices rose as some exemptions from U.S. tariffs and hopes that top metals consumer China would unroll more stimulus measures improved the broad risk sentiment

U.S.-listed shares of global mining giants Rio Tinto BHP.N rise ~1% and 1.6%, respectively

Copper miners Southern Copper SCCO.N and Freeport-McMoRan FCX.N up 1.9% and 2.4%, respectively

U.S.-listed shares of Canadian miners Hudbay Minerals HBM.N and Teck Resources TECK.N rise 3% each