LAUNCESTON, Australia, - The planned 50% tariff on copper imports may turn out to be the biggest own goal of U.S. President ...

London-listed miners popped Thursday with the coppor market in turmoil, as investors digested better economic news from China.

U.S.-listed mining stocks are rising. Freeport-McMoRan, the largest miner by market value, added 2.6% to $46.76 in premarket trading. Southern Copper gained 2.3% to $102.25. Newmont, which is also a ...