AAP

The Australian dollar has fallen below 74 US cents after a surge in the greenback in overnight trade and falls in Chinese equity markets.

Gold prices have fallen to four-month lows, extending losses for a third session as Federal Reserve Chair Janet Yellen say the US central bank remains on track to raise interest rates this year.

The Australian share market has closed more than 1 per cent higher amid optimism around a resolution to the Greek debt crisis.

A former director of local gold mining company Northern Star Resources has narrowly avoided time behind bars for insider trading.

Live cattle exporters in Australia face uncertainty after Indonesia, which accounts for 60 per cent of the $1.2 billion trade, flagged an 80 per cent cut in its imports.

A blaze on the same model of bus involved in a spate of fires in Perth two years ago was an isolated incident, the Public Transport Authority says.

The Australian share market has opened higher.

Oil prices have risen as markets weighed the effects of Iran's deal with six world powers on curbing the Islamic republic's suspected ambitions for a nuclear bomb.

The Australian dollar is higher after the greenback weakened following the release of softer-than-expected US retail sales data.

Wall Street stocks have risen, with the Nasdaq leading the way following reports of a possible $US23 billion acquisition of chipmaker Micron and big gains by Google and others.

Gold has eased as the US dollar came off its lows and the market awaited Federal Reserve Chair Janet Yellen's semi-annual testimony to Congress on Wednesday and Thursday, which may provide more signals about a looming rate rise.

More than $33 billion has been added to the share market's value as investors cheered a tentative Greek bailout deal.

Standard and Poor's has removed Western Australia's credit rating from credit watch, but the outlook remains negative.

The state government is softening its stance on ride-sharing service Uber, but won't drop prosecutions against drivers accused of breaking the law, Premier Colin Barnett says.

Solutions to Perth's growing traffic congestion look set to be a main theme of the 2017 state election, with the WA government changing its tune on the MAX light rail project.

The Australian share market has opened strongly higher.

US stocks have powered higher, joining a global equity rally after Greece reached a tentative new bailout deal that would avoid the country dropping out of the eurozone.

Oil prices slipped as traders weighed reported progress in negotiations on Iran's nuclear program, Greece's tough bailout agreement with its European creditors and a mixed OPEC report.

The Australian dollar is lower after the greenback strengthened following an agreement in Europe for a new debt bailout deal between Greece and its creditors.

Gold has slipped one per cent as the US dollar rose against the euro after leaders struck a deal to negotiate a Greek bailout, while signals the US Federal Reserve was still on track to raise rates this year also weighed.

The Australian share market has closed lower, in a choppy session during which it fell, rose, and fell again amid a sell-off of bank stocks.

The Aussie dollar is likely to fall to around US70 cents by the end of the year in response to higher US interest rates and sliding commodity prices, UBS predicts.

The Australian share market has opened lower.

The Australian dollar lower as global markets watch developments in Greece's ongoing debt emergency, with renewed hopes of a breakthrough.

Gold has given up earlier gains after US Federal Reserve Chair Janet Yellen said she expected the central bank to raise interest rates sometime this year but pointed to concerns that US labour markets remain weak.

A record one-day jump in the price of Australia's biggest export is not expected to be the spark of a meaningful recovery.

The Australian share market has closed higher, boosted by a lift in iron ore prices, a recovery on Chinese markets and optimism around Greece.

The number of 457 visa applications that require employers to seek Australian workers first could slump to just 25 per cent because of free trade agreements, unions say.

Australians have sent large sums of money to a Dubai bank account in a bid to buy shares in lithium battery and electric car maker Tesla, but have been scammed.

Iron ore prices have jumped almost 10 per cent, just a day after plunging to a 10-year low.

The Australian share market has opened almost one per cent higher following a rebound by the big miners and a recovery on overseas markets.

Spot gold has climbed after a recovery in Chinese shares cooled fears of a wider rout in the major bullion consumer while strength in the US dollar kept a lid on gains.