Despite slumping to new four-year lows against the US dollar and also dropping against other currencies in the past days, the Australian dollar still hasn’t troughed, analysts believe.

Australia's corporate regulator has cancelled the registration of 440 self-managed superannuation fund auditors after they failed to meet competency standards.

The Australian dollar touched a new nine-month high overnight, making another bid above US77¢ in an otherwise quiet trading night ahead of key Chinese economic data.

Woolworths staff are squeezing a further $70 million from suppliers by the end of the year, as the company scrambles to meet profit guidance and avoid its first downgrade in almost 16 years.

The lack of a credible, long-term mechanism to achieve Australia's emissions reduction commitments has created uncertainty and deterred investment in the sector, a key energy market regulator says.