A rally in resources stocks and a strong lead from Wall Street are helping the Australian share market to gains of about 0.3 per cent.
The All Ordinaries Index was up 17 points to 4,796 just before 1:00pm (AEDT), and the ASX 200 was 16 points higher at 4,773.
Rio Tinto was up 3 per cent to $66.60, after its iron ore boss Sam Walsh was named as Tom Albanese's successor for the chief executive role.
Shares in Fortescue Metals were 3.2 per cent higher.
The gold miner, St Barbara, had jumped 5 per cent to $1.45.
NAB was 20 cents higher at $26.24 and Commonwealth Bank shares were up 9 cents to $62.55.
Shares in JB Hi-Fi were down more than 0.8 per cent.
The Australian dollar was buying 105.33 US cents.