Rio Tinto sells $3.5bn stake in Grasberg copper mine to Indonesian state miner
Rio Tinto is selling its 40% stake in the world's second-biggest copper mine, Grasberg in Indonesia, for $3.5 billion to Indonesia's state mining company PT Inalum. Rio Tinto had a joint venture with Freeport-McMoRan, operator of Grasberg, for a 40% share of Grasberg's production...