Lure of Anglo's copper mines could test BHP's spending resolve

BHP, the world's biggest miner, would need to offer a minimum 40% premium over Anglo American's share price to make a renewed takeover bid now the rival's value has been boosted by asset sales, two sources close to the matter told Reuters. As diversified miners shift their focus to metals needed for the transition to cleaner energy, copper, with multiple uses from power to construction, has attracted intense interest.