AUDUSD remains in the uptrend from 0.6670, the pullback from 0.6810 is likely consolidation for the uptrend. As long as the price is above the rising trend line on the 4-hour chart, the upside movement could be expected to resume, further rise towards 0.6850 area is still possible. On the downside, a breakdown below the trend line support would indicate that the upside movement had completed at 0.6810 already, then another fall towards 0.6600 could be seen.
