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New Rio Tinto boss Simon Trott's first matters for his attention will be the company's challenges such as his predecessor’s big bet on lithium, its troubled Mongolian copper operations and the need to open new iron mines in WA.

Meanwhile, struggling fashion house Country Road Group has more than 50 empty roles at its Melbourne HQ, as tough times in fashion forces redundancies and store closures.

And industry experts have rung the scam alert alarm bells for the 5.7 million Qantas customers caught up by the hack of the airline's database, saying there is a strong likelihood they will now be targeted.