The Australian share market is down for a second day with losses nearly across the board, the major miners among the biggest losers.

The benchmark S&P/ASX200 index was down 37.4 points, or 0.59 per cent, to 6,322.1 points at 1200 AEST on Tuesday, while the broader All Ordinaries was down 35.7 points, or 0.55 per cent, to 6,413.9.

Every sector was in the red other than healthcare, which was up marginally.

Utilities and the heavyweight mining sector were both down 1.3 per cent.

Mining giant BHP was down 1.53 per cent to $37.24, Rio Tinto was down 2.29 per cent to $95.50 and Fortescue Metals was down 2.28 per cent to $708.50.

Newcrest Mining fell 2.28 per cent to $25.045 after the gold miner said production had fallen five per cent in the quarter ending in March, compared to the three months previous.

All of the big four banks were also in negative territory, with Commonwealth down 0.61 per cent to $74.65, NAB down 0.31 per cent to $25.36, Westpac down 0.11 per cent to $27.55, and ANZ down 0.15 per cent to $27.29.

Bubs Australia was up 5.19 per cent to $1.215, an all-time high, after it reported its third-quarter revenue more than doubled.

Nine Entertainment was up 0.43 per cent to $1.7475 after it agreed to sell its regional and community newspapers for $115 million.

JB Hi-Fi was down 1.55 per cent to $25.475 after reaffirmed its full-year profit guidance after third-quarter sales growth across all three of its businesses.

Domain Holdings was down 5.82 per cent to $2.75 after the real estate listing company said its total revenue was down six per cent in the three months to March 31.

Super Retail Group was up 3.7 per cent to $8.69 after reporting 4.3 per cent life-for-like sales growth in the 17 weeks to April 27.

The Aussie dollar dropped at 1100 AEST after Chinese factory activity in April came in lower than expected.

At 1200 AEST, the Aussie was buying 70.44 US cents, down from 70.55 cents on Monday.