AAP

The Australian share market has opened flat following weak overseas leads from the US.

Virgin Australia has slumped to a first half loss of $83.7 million as it fights to take market share from rival Qantas.

The S&P 500 has set a new record close as buyers pushed up stocks helped by a cautiously positive view of the economy from Federal Reserve Chair Janet Yellen.

Federal MP Clive Palmer has indicated he won't support law changes that would allow Qantas to be foreign-owned as the embattled carrier's chief prepares to meet union officials for crisis talks.

Gold futures have risen after Federal Reserve Chair Janet Yellen said recent data have pointed to softness in the US economy, increasing demand for the precious metal as an alternative investment.

The Australian dollar is firmer, having regained some ground after slumping on weaker-than-expected business investment data.

Industrial relations is set to become a new political battleground after the Abbott government introduced wide-ranging changes to workplace law.

The sharemarket has closed lower due to a worse than expected fall in business investment in the December quarter.

Ship builder Austal expects to meet its full year revenue target after reporting a 76 per cent increase in first half profit.

Business investment in Australia had an unexpectedly large fall in the last three months of 2013, led by a big drop in mining related investment.

The Australian share market has opened flat following weak overseas leads from the US.

Qantas will axe 5,000 jobs in a bid to dramatically cut costs after posting a $252 million first half loss.

Global oil prices have risen, with US prices gaining a boost from a bullish stockpiles report and another wintry blast hitting the country.

US stocks have finished with modest gains as investors look ahead to Thursday's congressional testimony by Federal Reserve Chair Janet Yellen.

The Australian dollar has fallen as the greenback edges higher ahead of Federal Reserve chief Janet Yellen's Congressional testimony.

Resources stocks have weighed on the local sharemarket due to investor concerns about the Chinese economy and weaker commodities prices.

Engineering giant WorleyParsons will review its global business after profit fell by almost 30 per cent, fuelling speculation of more restructuring and job cuts.

Shopping centre giant Westfield Group has suffered a 6.7 per cent slide in its full year profit.

The Australian share market has opened flat following weak overseas leads from the US.

Wall Street stocks have fallen following weak US economic data and a mixed outlook from JPMorgan Chase on some of its key business units.

Oil prices sank as traders expected a rise in US commercial crude stockpiles and worried about China's economic health.

The Australian dollar has fallen slightly as global risk appetite softens.

The sharemarket's run of seven straight days of gains is over, as a weaker iron ore price weighed on the resources sector.

GrainCorp expects to make a full year profit of between $80 million and $100 million with recent large harvests offset by poor seasonal conditions in Queensland and NSW.

The Australian share market has opened flat following weak overseas leads from the US.

Qantas is refusing to confirm or deny reports the financially troubled airline will axe up to 5,000 jobs as part of its efforts to find $2 billion in savings.

Gold futures have rallied to a 16-week high as fears that Ukraine would plunge into a sovereign debt default fanned demand for wealth preservation.

US stocks have finished higher as a February rally accelerated amid continued strength of some high-flying technology equities.

The Australian dollar is firmer after US stocks rallied strongly overnight as appetite for riskier assets rise.

The sharemarket has closed flat after a slower increase in property prices in China generated anxiety about the strength of the Chinese economy.

Shares in Boart Longyear have fallen more than 8 per cent after the drilling company slumped to a full year net loss of $US620 million.

The Australian share market has opened flat following weak overseas leads from the US.