Shares opened more than two per cent stronger today after a billow on Wall Street and major global markets overnight.

At 10.15am (AEST), the benchmark S&P/ASX200 index rose 90.6 points, or 2.13 per cent, at 4345.2. Meanwhile, the broader All Ordinaries index climbed 86.2 points, or 2.02 per cent, to 4364.

On the Sydney Futures Exchange, the September futures contract levelled at 4332 points, up 85 points, on turnover of 10,028 contracts.

Of the global miners, BHP gained 82c, or 2.19 per cent, to $38.25. Rio Tinto added $1.60, or 2.43 per cent, to $67.44.

On Wall Street overnight, the Dow Jones industrials rose back above 10,000 after shareholders cast doubts about the hefty selling in the stock market during the last two weeks.

The Dow rose 274.66, or 2.8 per cent, to 10,018.28. The Standard & Poor's 500 index climbed 32.21, or 3.1 per cent, to 1060.27. The Nasdaq composite index soared 65.59, or 3.1 per cent, 2159.47.

According to research analyst Ben Potter of IG Markets, the bourse was performing vigorously on positive leads from offshore.

"All the sectors are firmly in the black driven by big gains in the financials, materials and the energy sector," Mr Potter said.

"A bit of volume is coming back into the market ... It looks like we're set for a strong day."