Sigma Pharmaceuticals says its business continues to improve, and it expects to keep paying out a high level of its profits.

Falling sales of the Commodore and Cruze have put Holden's earnings into the red as motorists gear up for imported models.

Fortescue Metals Group wants to boost its permanent indigenous workforce as it hits 11 per cent and moves from the construction phase into operations

Disney's net profit for the March quarter is up 32 per cent to $US1.51 billion, beating analysts expectations.

BHP Billiton is to raise $734 million to refinance debt through a Canadian bond issue.