Policy changes on 457s and tax incentives can create uncertainty for business, CSL chief executive Paul Perreault says, and has urged the Turnbull government not to keep tinkering with tax settings.

International investors are pessimistic about the outlook for equities as expectations for corporate profit growth fall to the lowest level in almost two years.

JP Morgan have come up with a new way to forecast the Aussie dollar, in the face of moving commodity prices and diverging interest rate spreads.

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A negative start is in store for the ASX on a busy day on the reporting season calendar.

Investors shook off the global geopolitical tension and instead focused on individual earnings results, sending Domino's sharply lower but the broader market higher.

The Australian dollar slid overnight, knocked by a resurgent greenback and disappointing China data.