The Aussie market declined for the first time in eight sessions today, with financials struggling on the back of Westpac's poor profit result.

Westpac paced the losses among the big four (-4.4%) after its 3Q cash profit fell from a year earlier.

The other majors were down more than 1% each.

Scepticism over Qantas' plans to restructure its international operations saw its share price fall 0.3%.

In the mining space, Rio Tinto and BHP lost over 1% each, whilst Oz Minerals slumped 3.6% on the back of a disappointing half-year result.

James Hardie strengthened 0.9% after its 1Q underlying result came in slightly ahead of analyst estimates.

The ASX 200 shed 36 points (-0.8%), settling at 4247.