AUDUSD extended its downside movement from 0.7644 to as low as 0.7550. Deeper decline to test 0.7532 support is still possible. A breakdown below this level will indicate that the downtrend from 0.7897 has resumed, then next target would be at 0.7450 area.

Near-term resistance is at the top of the price channel on the 4-hour chart, and the key resistance is at 0.7644, only break above this level could signal completion of the downtrend.