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.