Australian shares have opened slightly lower after a negative lead from Wall Street.

The benchmark S&P/ASX200 index was down 6.6 points, or 0.10 per cent, to 6,331.8 points at 1015 AEST on Friday, while the broader All Ordinaries was down 5.9 points, or 0.09 per cent, to 6,424.1.

The energy sector led losses at the start of trade – collectively falling 0.84 per cent – after oil prices tumbled almost three per cent overnight.

The heavyweight financial sector was also in negative territory after Macquarie Group beat full-year profit guidance but warned of a more subdued outlook.

On Wall Street overnight, the Dow Jones Industrial Average finished down 0.46 per cent, the S&P 500 was down 0.21 per cent and the tech-heavy Nasdaq Composite was down 0.16 per cent.

The Aussie dollar is buying 69.97 US cents from 70.19 US cents on Thursday.