AAP

US stocks have ended slightly higher and the Dow has closed at a record high for a 12th straight session after President Donald Trump said he would make a "big" infrastructure statement.

The Australian dollar is lower against its US counterpart ahead of US president Donald Trump's first address to a joint session of Congress.

Spot gold has fallen after tapping a 3-1/2-month high as US Treasury yields rose and investors waited for US President Donald Trump to outline plans for tax cuts, infrastructure spending, levies on imports and foreign policy.

There's still no plan in sight to connect the controversial Perth Freight Link project to Fremantle Port, a Senate committee has heard.

WA Labor has vowed to employ at least 50 apprentices at Western Power every year if it wins the state election.

The Australian share market has closed lower due to large falls from the heavyweight energy and banking sectors.

Attorney-General George Brandis has been asked to make a statement explaining when he first became personally involved in the Bell Group litigation.

Slater & Gordon shares have plumbed fresh depths yet again after the law firm reported a first-half loss of $425 million largely due to another $350 million write-down of its troubled UK business.

QBE chief executive John Neal has had his pay docked by more than $500,000 over what the insurer called his "personal decisions", despite him leading the company to a 22 per cent increase in full-year profit.

Shipbuilder Austal is pursuing its strongest-ever pipeline of potential work, including significant contracts in Australia.

The Australian share market has opened flat amid patchy early trade.

The Australian dollar is sharply lower against its US counterpart, falling as much as half a US cent before regaining a little ground.

Oil prices have fallen per cent after US crude inventories rose for a seventh week, showing that the market is still struggling to ease oversupply despite many producers' efforts to rein in production.

Gold has reached its highest in 3-1/2 months as the dollar fell to a one-week low after the new US Treasury chief poured cold water on the "Trumpflation trade" that had boosted the greenback this year.

Premier Colin Barnett has rejected calls to release the latest costings for the Roe 9 stage of the contentious Perth Freight Link project, saying it would undermine the tender process.

The Australian share market is lower, pulled back for a second successive session by significant falls among the big miners, with weakness among the big four banks further prodding the retreat.

The Australian share market has opened lower, dragged down by major miners on the back of weakness in commodities.

The Australian dollar is higher against its US counterpart and has once again jumped above the 77 US cent mark.

Oil prices have risen but gains have been pared after US government data shows a seventh straight build in crude stocks, suggesting high inventories could undermine OPEC's move to cut output.

Gold prices have lifted 1 per cent to a three-and-a-half-month high after minutes from the latest Federal Reserve policy meeting further dampen expectations for an interest rate rise in March, lowering US bond yields and pressuring the US dollar.

The share market has lost ground on another busy day of company earnings reports, as a fall in commodity prices weighed on the big miners, and Rio Tinto traded without its latest dividend.

Alcoa's Australian partner, Alumina, has slumped to a full-year loss due to restructuring-related write-offs and lower prices and volumes.

Qantas boss Alan Joyce has defended the airline's financial performance, saying it is outperforming its peers across Asia amid fierce competition on international routes due to lower oil prices.

Australia Post chief executive Ahmed Fahour has made passionate defence of his time in charge of the postal service and says his decision to quit was not sparked by recent criticism of his $5.6 million pay packet.

Mineral sands miner Iluka Resources has slid to a full-year loss of $224 million on the back of hefty write-downs related to a restructuring of the company's business amid the downturn.

Investors taking profits amid corporate earnings season and lower commodity prices are weighing on Australian shares.

The Australian dollar has jumped against its US counterpart and is back above 77 US cents.

Oil prices have fallen 1.5 per cent on expectations of another surge in US inventories, retreating from multi-week highs hit in the previous session after OPEC signalled optimism over its deal with other producers to curb output.

Gold has turned higher as the dollar has shifted lower on Wednesday, after minutes from the last US Federal Reserve meeting showed uncertainty among policymakers about the new Trump administration's economic program.

Well received earnings reports from Woolworths, Coca-Cola Amatil and private hospital operator Healthscope have helped lift the share market.

The WA Liberals are talking up their proposed privatisation of Western Power, announcing details of plans to build a new live export loading berth at Kwinana in Perth's south using funds from the partial sale.

Iron ore miner Fortescue Metals Group has joined larger rival BHP Billiton in forecasting a near-term moderation in iron ore prices, downplaying the rally that has helped it boost profits and lift shareholder payouts.