The Australian share market finished almost one per cent lower due to weaker offshore leads and lower commodity prices.
At the close, the benchmark S&P/ASX200 index was 44.2 points, or 0.89 per cent, down at 4,913.5, while the broader All Ordinaries index was 47.1 points, or 0.95 per cent, weaker at 4,919.3.
The June share price index futures contract was 43 points lower at 4,911, with 25,822 contracts traded.
National turnover was 1.93 billion securities worth $4.56 billion.
RBS Morgans director of equities Bill Chatterton said the local market had followed US markets down after weak US economic data prompted investors to head for the door.
Lower commodity prices, particularly gold, were also weighing on the local mining sector.
"The weakness is across the board," Mr Chatterton said.
"Mostly the falls have come from weak offshore leads but, locally, uncertainty surrounding superannuation is having an impact.
"Rightly or wrongly, it's probably creating negativity in the market."
The resources and financial sectors led the market lower, with global miner BHP Billiton 48 cents down at $31.75 and Rio Tinto surrendered 78 cents to $54.60.
Fortescue Metals shed 12 cents to $3.55 while shares in gold miner Newcrest were $1.01 lower at $18.49.
The major banks all fell, with National Australia Bank 11 cents weaker at $31.00, Commonwealth Bank lost 35 cents to $68.10, Westpac dipped 36 cents to $30.79, and ANZ gave away 24 cents to $28.03.
Among other stocks, Fairfax Media shed one cent to 61 cents after announcing a reorganisation of its operations into five business arms as part of its ongoing restructure program.
Troubled retailer Billabong asked for an indefinite suspension of its shares, which last traded at 73 cents, while it continued takeover talks with two potential suitors.
