Shares of Ivanhoe Mines (IVN) fall off 15.5% in premarket trading after it loses its battle to...

|By:, SA News Editor

Shares of Ivanhoe Mines (IVN) fall off 15.5% in premarket trading after it loses its battle to apply a poison pill to block Rio Tinto's (RIO) takeover bid. RIO +2.2% premarket.