At 10.15am (AEDT), the benchmark S&P/ASX200 had gained 13.2 points, or 0.37 per cent, at 3622.5, while the broader All Ordinaries added 12.7 points, or 0.36 per cent, to 3558.9.
Resources were lower.
BHP fell 3 cents to $33.23 after announcing it sold €2.25 billion ($4.3 billion) of fixed interest rate medium term bonds in two tranches in the Eurobond market overnight, and the commencement of oil and gas production at its Shenzi project in the Gulf of Mexico.
Its rival Rio Tinto shed 1.87 per cent to $52.92.
The banks mostly were stronger.
Commonwealth Bank added 1 cent to $35.39, NAB firmed 12 cents to $20.49 and ANZ gained six cents to $16.26.
Westpac was the only downer of the sector losing seven cents to $19.55 in early trade.
On Wall Street overnight, the Dow Jones Industrial Average rose 89.84 points, or 1.17 per cent, to settle at 7749.81, after squandering an early rally of some 200 points.
The tech-dominated Nasdaq composite settled up 12.43 points, or 0.82 percent, to 1528.95, and the Standard & Poor's 500 index climbed 7.76 points, or 0.95 per cent, to settle at 813.88.
On the Sydney Futures Exchange, the June share price index contract was trading up 28 points at 3630 on volume of 5768 contracts.
More to come.
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