A multi-billion dollar bidding war for most of Rio Tinto's Australian coal mines has broken out between China-backed Yancoal and Glencore after the Swiss commodities giant made an unexpected offer.
Amulti-billiondollarbiddingwarformostofRioTinto'sAustraliancoalmineshasbrokenoutbetweenChina-backedYancoalandGlencoreaftertheSwisscommoditiesgiantmadeanunexpect