Recently, Rio Tinto plc (RIO) received a nod from the Indian Steel major Tata Steel to buy 26% stake in its coal mining company, Riversdale in an open offer of AUD 16.5 per share, or roughly $17.36 per share. The deal is valued at $1.1 billion. The deal is expected to give Rio Tinto full control [...] (SID) Rio Tinto to Buy Tata’s Riversdale Stake