Woolworths has delivered better-than-expected earnings while improving customer satisfaction scores, sending its shares soaring to a 17-month high.

Iron ore miner Fortescue has raised its interim profit and will pay out 65 per cent of earnings to shareholders, as it continues to decarbonise its business.

Australia's leading fuel retailer has benefited from converting dozens of its petrol stations to unmanned sites in what could be a sign of things to come.

Australians wondering why they are paying more for power should be looking to pricey gas and dubious energy retailer conduct, the Climate Council says.

Shares in an Australian online retailer have spiked on strong first-half sales growth, but its trading update for January has undershot analysts' expectations.

Qantas shares flew high in early trading but then faltered and plunged to a three-month low after Australia's biggest airline delivered mixed half-year results.