AAP

Gina Rinehart's youngest daughter has continued to attack her three siblings, saying their court action against their mother is "unjustified".

Australian stocks have defied a positive lead from offshore and opened weaker, with falls among the energy and healthcare sectors leading the overall market lower.

The Australian dollar is more than 0.8 of a US cent lower following the release of strong American jobs data.

US stocks took a roller-coaster ride in the week to Friday as Wall Street marked three years since hitting bottom in the middle of the Great Recession.

The Australian dollar continued its rise today, with traders relieved there may be an end in sight for the current chapter in the Greek government debt crisis.

A series of protests have been held across Sydney, Melbourne and Perth against multi-national British services company Serco, which runs Australia's immigration detention and other public

The Australian Competition and Consumer Commission has instituted proceedings in the Federal Court against travel agency company Flight Centre, alleging that it has attempted to induce competitors

The Australian share market finished almost one per cent stronger after a sharp slowing in China's inflation rate boosted resources stocks.

The federal government has blamed the first monthly trade deficit in almost a year on the impact of Cyclone Heidi, which prevented the loading of ships off Western Australia.

The establishment of a commission of audit to review the commonwealth public service under a Tony Abbott-led coalition government would be a critical initiative, the Business Council of Australia s

An appeal has been lodged against a recent decision to grant Lynas Corporation a licence to run a controversial plant in Malaysia.

 The nations working towards a new Pacific trade pact are hopeful a deal can be stuck before the end of the year, Australia's lead negotiator says.

Australia's largest gold producer Newcrest Mining says new laws limiting foreign ownership of mines in Indonesia will not affect its Gosowong operations on Halmahera Island.

The first trade balance in deficit in almost a year could cause a weakening in first quarter gross domestic product (GDP) data, economists say.

Asciano's Patrick ports business has applied to Fair Work Australia to commence conciliation with the Maritime Union of Australia over an industrial dispute.

Gina Rinehart's three oldest children should follow advice to "go out and earn for themselves" if they are not happy about the family trust, according to a media release put out by her lawyers.

The Australian share market has opened higher following Wall Street's strong positive lead and on optimism that Greece has secured enough support for its debt-swap deal.

Qantas' plans for a new premium airline in Asia are in jeopardy after talks with Malaysia Airlines ended with no deal.

Credit card providers are charging exorbitant interest rates at four times the level of the central bank's cash rate, RateCity says.

The US stock market has posted substantial gains as Greece closes in on a deal to restructure its debt and avoid a default.

The Australian dollar has proven resilient after the release of weak local jobs data, helped by optimism that the Greek government re-financing operation will prevent a debt default.

The Australian share market closed stronger after three consecutive days of losses on views that there is a reduced likelihood of a Greek debt default and solid US private sector job numbers.

The pattern of weak jobs growth could prompt the central bank to cut official interest rates in May, economists say.

Etihad Airways chief executive James Hogan says he is yet to start any discussions with alliance partner Virgin Australia about buying an equity stake in the airline.

Copper miner Sandfire Resources says it is on track to commence exports from its DeGrussa project in Western Australia next quarter.

Opposition treasury spokesman Joe Hockey says the latest national accounts and jobs figures show that the economy has been operating well below its potential for some time.

The value of Australia's resources and energy exports jumped by 15 per cent to a record $190 billion in 2011, the Bureau of Resources and Energy Economics says.

Federal Opposition Leader Tony Abbott has mocked the treasurer's promise of a budget surplus in 2012/13, saying it would take 100 years of surpluses to make up for "Swannie's deficits".

Continuing falls in Western Australian unemployment have failed to stop the nation’s unemployment rate rising to 5.2 per cent in February, according to official figures.

Potential home buyers are dropping out of the housing market, scared off by the prospect of interest rate rises and economic uncertainty.

The Australian share market has opened slightly higher, following the US and European overnight lead.

The Australian dollar is almost a third of a US cent higher as global stock markets rebound after several days of sharp falls.