Rio Tinto may be planning a $9bn spinoff a la BHP

Together with announcing a major management reshuffle and division reorganization, Rio Tinto (ASX, LON:RIO) revived Tuesday rumours of an incoming $9 billion BHP-style spinoff. Soon-to-be Rio’s chief executive, Jean-Sébastien Jacques, overhauled the group business divisions, leaving its least loved units...