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Stocks to watch Monday

Stocks to watch on the Australian stock exchange on Monday, March 24:

COH - COCHLEAR - up $2.38, or 4.2 per cent, at $58.96

Shares in hearing implant maker Cochlear have jumped after US authorities approved the company's latest hearing aid.

IIN - IINET LTD - up seven cents, or 0.92 per cent, at $7.67

The founder of internet service provider iiNet, Michael Malone has resigned after more than 20 years with the company.

MTS - METCASH - down 30 cents, or 9.5 per cent, at $2.85

Shares in Grocery wholesaler Metcash have slumped almost 11 per cent after the company downgraded its earnings guidance and announced a $480 million overhaul of its business.

QAN - QANTAS AIRWAYS - down 0.5 cents, or 0.47 per cent, at $1.07

Qantas' lawyers have launched a detailed rebuttal of claims by aircraft engineers that maintenance done outside of Australia is unsafe.