Good morning,

Rio Tinto has accelerated the hunt for its next chief executive , with a patch-up job in Mongolia and sorting out who takes charge of its African iron ore gamble top priorities for the mining giant.

Meanwhile, the best stock for our wealthy elite was a crash repair company, although a chemist giant stole the show in the past 12 months. John Stensholt lists the biggest winners and losers among Australia's billionaires.

And Laurence Escalante’s Virtual Gaming Worlds is heading for record revenue and profit, but the billionaire claims regulatory pressures will humble his sweepstakes gambling empire as he tries to buy out minorities under a $1bn cash offer.