AAP

The defamation battle between West Australian treasurer Troy Buswell and his former lover Adele Carles has turned nasty, with the ex-Greens MP accusing her former parliamentary partner of trying to "sweep her under the carpet".

Shares in Kathmandu Holdings have jumped nine per cent after the retailer announced a 27 per cent increase in full year profit.

Australians are forking out more than $3800 a year to keep their cars on the road.

Wild storms have knocked out power to about 11,000 properties in Western Australia, mainly in the southwest corner.

Fortescue Metals Group has taken control of ore processing off a contractor at its Christmas Creek mine where a worker died last month.

Former treasurer Peter Costello has ruled himself out of being a part of the Abbott government's commission of audit, but has offered up his thoughts on what the auditors should do.

Gold futures have fallen for a second session as investors weighed the likelihood of a rollback of Federal Reserve stimulus.

US stocks have closed firmly in the red, extending Friday's losses, amid uncertainty about the Federal Reserve's stimulus taper plans.

The Australian dollar has continued its rally amid news that Chinese manufacturing activity is surging ahead.

Dozens of homeowners are assessing the damage, and another 16,000 people are waiting for the power to come back on, after Perth and the South West was battered by a violent storm.

Australian shares finished lower, but stemmed some of their losses on the back of strong Chinese economic data.

Rupert Murdoch's new News Corporation has achieved a $US506 million ($A542.60 million) full year profit despite the poor performance of its ailing newspapers.

Newcrest executives are bracing for more pay cuts as the troubled gold miner outlines plans to keep bonuses to a minimum.

An appeal against the murder acquittal of former prominent Perth barrister Lloyd Rayney has been dismissed in the WA Court of Appeal.

Investment firm Macquarie Group still expects its profit to rise in the current fiscal year, so long as financial market conditions continue to improve.

China's manufacturing activity expanded in September to a six-month high, a further sign that a rebound in the world's second-largest economy is gaining momentum on improving demand.

Clive Palmer's political party is now in prime position to win a Senate seat in Western Australia.

Western Australia's Future Fund is a disaster set to worsen with the state losing its AAA credit rating, the opposition says.

Today's young workers can expect to have an average $1.1 million in their superannuation by the time they retire but it won't be enough to maintain a comfortable post-work lifestyle.

The world's largest drilling company Boart Longyear says it will reduce the size of its revolving credit facility from $US450 million to $US140 million.

The Australian share market has started the week in negative territory, down nearly one per cent in early trading.

Gold futures have slumped as comments from a slate of Federal Reserve officials cause traders to reassess their expectations for the duration of the central bank's bond-buying program.

The Australian dollar has fallen against a stronger US dollar, after a senior US Federal Reserve official said the Fed still could taper its bond purchases this year.

From Saturday, Sept 21st:

The Australian market looks set to open lower after Wall Street gave up much of the gains made on the Federal Reserve's no-taper decision to finish lower at its last session.

The Australian share market closed weaker with traders unwilling to push stock prices beyond the five-year plus highs they hit during the week.

Resources giant BHP Billiton says its new $US1.5 billion gas plant will supply 20 per cent of the state's domestic market amid hopes of doubling capacity.

Billionaire Clive Palmer is on track to win a seat in federal parliament, as the end of vote-counting in the Queensland seat of Fairfax nears.

Prime Minister Tony Abbott says he won't be changing the GST despite calls from within his own party for a fresh look at the tax.

The Australian stock market has opened lower, giving up some of the significant gains made during Thursday's rally.

US stocks have closed mixed, cooling off after Wednesday's torrid rally in the wake of the Federal Reserve's decision to maintain an aggressive stimulus program.

The Australian dollar is lower as the dust settles on the US Federal Reserve's unexpected decision to maintain its economic stimulus program.