AAP

Gold has inched higher as the US dollar slipped and market watchers anticipated US economic growth data on Friday.

US stock indexes have climbed and the Nasdaq hit a new record high as Google-parent Alphabet's strong quarterly results reaffirmed expectations of a robust earnings season and sparked a rally among technology shares.

The Australian share market has closed stronger, buoyed by mining, financial and health care stocks after solid earnings out of the US.

Gold prices have fallen toward one-year lows as the US dollar held on to strength against the currencies of key bullion consumers China and India.

Oil prices have edged lower as the focus turned to oversupply worries, moving away from escalating tensions between the US and Iran, which had driven prices higher early in the session.

US stock indexes have dipped led by losses in shares of Amazon and technology companies, as investors awaited quarterly reports from a host of marquee names to gauge the impact of an escalating trade conflict between the US and China.

The Australian share market has snapped its three-day winning streak to close lower amid global trade war concerns after US President Donald Trump threatened more tariffs on Chinese imports.

Wesfarmers has announced it anticipates the demerger of Coles to be completed by the end of November, after the company's annual general meeting, and will seek to retain a 15 per cent stake of the business.

Gold prices rose from one-year lows and spot platinum increased more than three per cent after US President Donald Trump criticised the strength of the dollar and interest rate increases by the Federal Reserve, pushing the greenback sharply lower.

US stocks have closed slightly lower as escalating trade anxieties driven by US President Donald Trump's latest tariff threats against China offset a string of robust earnings led by Microsoft.

Oil prices rose at the end of last week as a weakening dollar and lower expected August crude exports from Saudi Arabia supported the market, offsetting concerns about US-China trade tensions and supply increases.

Australian shares have ended the week higher thanks to gains in financials and energy stocks, even as Friday's session was buffeted by an earlier slide in the Chinese yuan and concerns over escalating global trade tensions.

Global benchmark Brent crude dipped on Thursday as concerns about mounting supply returned after a brief rally earlier in the session on comments that Saudi Arabia's exports would fall in August.

Gold prices sank to a one-year low on Thursday as the US dollar rose after comments from Federal Reserve Chairman Jerome Powell that reaffirmed expectations more US interest rate increases are on the way this year.

US stock indexes are trading lower as a batch of weak quarterly reports dampened a robust earnings season and trade tensions rose on news the European Union may retaliate if the US slaps tariffs on EU cars.

Australian shares have closed higher on Thursday, with banks and miners leading strength though broader market gains were checked by generally subdued regional markets amid trade war worries.

After reaching a 16-year high in March, Western Australia's unemployment rate has enjoyed its third straight month of decline, with nearly 3,000 jobs added across the state in June.

The much anticipated Browse LNG project has taken a step forward with partners arriving at an early stage agreement on pricing to pipe gas through an existing Karratha plant, while a proposed second train at Pluto LNG now looks likely to be much larger.

Gold prices have steadied as the US dollar eased off a three-week high, following an earlier drop in bullion to a one-year low as bullish comments from US Federal Reserve Chair Jerome Powell boosted the greenback.

Oil prices rose on Wednesday after US government data indicated bullish demand for gasoline and distillates, which overshadowed a surprise build in US crude inventories and US crude oil production hitting 11 million bpd for the first time.

The S&P 500 is hovering at five-month highs with gains in financial and industrial stocks due to strong earnings from marquee companies offsetting losses in the technology and energy sectors.

Australian shares rose on Wednesday after global miner BHP reported record iron ore output for 2017-18, which sent its shares up over 3 per cent in a boost to peers and overall sentiment.

BHP Billiton's iron ore production rose 3 per cent in the fourth quarter ended June 30 as productivity improved, cementing a record annual output as it set a bigger target for the current year.

Bankwest is closing 29 branches along Australia's east coast and cutting 200 jobs, saying customers are increasingly using mobile banking.

Gold has fallen more than one per cent and hit its lowest in a year as the US dollar strengthened during testimony by US Federal Reserve chairman Jerome Powell to the US Congress.

Wall Street has risen as Federal Reserve chairman Jerome Powell's optimistic view on the US economy and solid earnings from Dow component Johnson & Johnson lifted expectations of a robust second-quarter earnings season.

Australian shares have closed lower on Tuesday, with a sharp decline in global oil prices sending energy stocks down and weak commodities prices putting pressure on the broader market.

Oil prices slumped more than four per cent, with Brent reaching a three-month low, as Libyan ports reopened and traders eyed potential supply increases by Russia and other producers.

Gold steadied as the US dollar fell, but higher interest rates in the US and a weak market are expected to weigh on prices of the precious metal.

The S&P 500 has ended slightly lower following a drop in oil prices that weighed on energy shares and offset a jump in financials as Bank of America's results reinforced expectations of a strong US earnings season.

Australian shares fell nearly half a per cent on Monday, led by losses in healthcare stocks, while soft weekend property auction results undermined banks, whose business model relies heavily on home loans.

US stocks have risen slightly, putting the S&P 500 at its highest closing level in more than five months, as gains in industrials and other areas offset a drop in financials after results from three of the big banks mostly disappointed.