AAP

A major Optus outage that left Australians without access to emergency services has been blamed on human error as its embattled CEO fights to keep his position.

Westpac is cutting 200 customer-facing roles in its network but says it will try to keep as many workers as possible through retraining and redeployment.

The owner of Kathmandu, Rip Curl and Oboz footwear, KMD Brands has posted a statutory loss of $105 million - its worst result in at least a decade.

US stocks finished lower overnight, breaking a three-session string of record closing highs.

Australia's share market has posted three straight sessions of gains for the first time in more than a month, led by a rally in banks and miners.

Department store operator Myer has told shareholders they won't get a final dividend after a 30 per cent drop in full-year profit driven by warehouse issues.

All three major US stock indexes registered record closing highs overnight for a third straight session.

Australia's share market has edged higher after a choppy trading session, riding out the storm as strong commodity prices supported a mining sector rally.

Australia is in a "very good position" on inflation but there are signs financial markets are being complacent about the geopolitical risks, the central bank boss says.

Wall Street's main indexes closed higher for the week.

A late bounce for Australia's share market has not been enough to break September's pullback as the bourse notched a third-straight losing week.

Wall Street's main indexes posted record-high closes overnight - a day after the US Federal Reserve delivered a quarter-point interest rate cut.

Australian shares have ended the day lower as Santos led a plunge in energy stocks after yet another suitor abandoned plans to buy the oil and gas giant.

The federal government has set a target to slash emissions by between 62 per cent and 70 per cent by 2035, in a move Prime Minister Anthony Albanese describes as ambitious but achievable.

The Nasdaq and the S&P 500 closed lower in choppy trading overnight.

Shares in a major Australian gas producer have dropped by double digits following the collapse of what would have been the biggest all-cash transaction in Australia's corporate history.

Australia's share market has more than wiped the previous session's gains, as financials, miners and real estate stocks weighed on the bourse ahead of a key central bank decision.

A delay in signing a "crocodile" defence treaty with Papua New Guinea has "no downside", Prime Minister Anthony Albanese says, brushing aside claims it's an embarrassment for Australia.

Donald Trump reprimanded an Australian journalist who questioned the president's business dealings, before confirming he will meet with Anthony Albanese soon.

One in three Australian businesses are using free artificial intelligence tools to boost their productivity, a report has found, and most are sharing confidential company data with the software despite the risks.

Wall Street's three main stock indexes ended lower overnight in choppy trading.

Record overnight results in the United States have paved the way for Australian shares to finish in the green as traders anticipate a critical rates decision.

The federal opposition is on the edge of open revolt over a bombshell climate report, with one frontbencher threatening to resign and a Nationals senator likening the report to a biblical apocalyptic screed.

The three major US stock indexes closed higher overnight.

Australia's share market has clawed back most of an early-session sell-off to finish the day slightly lower, as the bourse's third-largest company continued to weigh.

Big Four bank ANZ has been slugged with one of the largest penalties ever for widespread misconduct, ranging from overstating trades to charging dead customers.

The defence minister denies that a multi-billion dollar boost to naval capabilities for the AUKUS submarine deal is about easing the concerns of the United States

The Nasdaq notched a record high close in a mixed trading session to end the week.

Australia's share market has clawed back most of the week's losses, as materials and banks rallied to help end the week on a high.

After receiving below-market compensation for years, former Virgin Australia boss Jayne Hrdlicka is getting more than $50 million following its successful IPO.

Wall Street's main indexes have notched record-high closes following gains in Tesla and Micron Technology while US inflation and jobless data fuelled expectations that the Federal Reserve will cut

Banks, health care and discretionary spending stocks have led Australia's share market lower, as continues to retreat from its record peak.