The Australian dollar is slightly lower after a volatile night of trade.
At 0630 AEST, the local unit was trading at 90.28 US cents, down from 90.38 cents on Monday.
Late on Monday night, the Australian currency rose to a session high of 90.71 US cents after US durable goods orders, fridges and washing machines and the like, fell 7.3 per cent in July.
The data put further doubts on the chances of the US Federal Reserve ending its economic stimulus program soon, and weakened the US dollar.
For the remainder of the overnight session the Australian dollar fell in line with Wall Street stocks after after US Secretary of State John Kerry warned that the US would demand "accountability" over the chemical weapons attack on Syrian civilians.