Rio stock set to soar on back of BHP takeover offer; Fortescue on back foot over director, auditor; AGL in hot seat in pay revolt; Westpoint investors keep hopes in check; Wesfarmers chief quick to take control of Coles.

Rio stock set to soar on back of BHP takeover offer; Fortescue on back foot over director, auditor; AGL in hot seat in pay revolt; Westpoint investors keep hopes in check; Wesfarmers chief quick to take control of Coles.