Yancoal grabs Mitsubishi stakes in Rio Tinto's coal mines in $940m deal

The battle over Rio Tinto’ (ASX, LON:RIO) coal assets in Australia's Hunter Valley has spiced up as Chinese-owned Yancoal (ASX:YAL) signalled Tuesday it may be willing to raise its offer and so outbid Glencore after striking an agreement with Mitsubishi to buy...