The share market is buoyant at noon after jumping steeply during early trade.
Strong gains were made by the miners, with BHP Billiton leaping 3.63 per cent to $25.15 while rival miner Rio Tinto added 2.4 per cent to $53.43.
Energy stocks were also strong, with Santos surging 7.69 per cent to $5.54 off the back of a pleasing drill report.
The big four lenders were also stronger at noon.
KEY FACTS
* At 1207 AEDT on Wednesday, the benchmark S&P/ASX200 index was up 44.9 points, or 0.86 per cent, at 5,242.9 points.
* The broader All Ordinaries index was up 44 points, or 0.84 per cent, at 5,272.4 points.
* The December share price index futures contract was up 38 points at 5,226 points, with 14,923 contracts traded.
* National turnover was 844 million securities worth $2.3 billion.