World’s biggest miner speeds hunt for copper assets, buys stake in SolGold

World’s largest miner BHP (ASX, NYSE:BHP) (LON:BLT) has bought a 6.1% stake in Ecuador-focused explorer SolGold (LON:SOLG) (TSX:SOLG) for $35 million, increasing this way its exposure to copper as the Cascabel project is believed to have the potential to become...