AUDUSD is facing the resistance of the falling price channel on the 4-hour chart. As long as the channel resistance holds, another fall towards 0.6600 could be expected. On the upside, a breakout of the channel resistance resistance would suggest that the downside movement from 0.7031 had completed at 0.6661 already, then next target would be at 0.6770, followed by 0.6800.