The share market has edged into positive territory, helped by strength in energy and mining stocks.

The All Ordinaries was 0.2 per cent higher at 5,094, and the ASX 200 index has gained a similar amount to reach 5,074 shortly before 1:00pm (AEDT).

BHP Billiton was up 0.6 per cent ahead of its half-year profit report to be released at 9:00am (AEDT) tomorrow.

Oil and gas companies Woodside and Santos are both around 1.5 per cent higher.

However, the mining and steel company Arrium has lost 1.2 per cent after .

The dollar has risen modestly since the latest , it was buying 103.29 US cents.