The Australian dollar has fallen against a stronger US dollar following the release of the minutes from the US Federal Reserve's most recent policy meeting.
At 1200 AEDT on Friday, the currency was trading at 104.54 US cents, down from 104.84 cents on Thursday.
Easy Forex currency dealer Tony Darvall said the release of the minutes from the Fed's Federal Open Markets Committee (FOMC) December policy meeting provided a boost for the US dollar overnight, which pushed its Australian counterpart lower.
The minutes showed some of the FOMC's voting members thought the Fed's bond purchasing program, known as quantitative easing, should be slowed or stopped by the end of 2013.
"That was quite a large change from the feeling we got from (US Federal Reserve Chairman) Ben Bernanke at the meeting in December so we have seen some pretty heavy US-dollar buying," he said.
He said the sentiment reflected in the minutes suggested the US dollar may perform more strongly in 2013 than previously expected, which could cause the Aussie dollar to weaken.
"This could, potentially, be a trend-changing event, if you change the central bank's outlook that has profound effects on the outlook for the currencies," he said.
Mr Darvall said the Australian dollar was likely to trade in a range of between 104.00 and 105.00 US cents over the next 24 hours.
He said the key event for currency markets on Friday night would be the release of US non-farm payrolls figures for December.
Meanwhile, Australian bonds futures prices were lower at noon.
At 1200 AEDT on Friday, the March 10-year bond futures contract was trading at 96.570 (implying a yield of 3.430 per cent), down from 96.665 (3.335 per cent) on Thursday afternoon.
The March three-year bond futures contract was at 97.150 (2.850 per cent), down from 97.230 (2.770 per cent) previously.