Gap between no. 1 and 2 copper miners widens as Codelco output drops 5.3%

Chile’s Codelco, the world’s second-largest copper miner, has lost more ground among the metal's top tier, after reporting that output for 2019 had fallen by 5.3% to 1.588 million tonnes. BHP, the world’s biggest mining company, churned out 1.749 million...