AUDUSD broke below 0.6812 support, suggesting that the upside movement from 0.6754 had completed at 0.6861 already. As long as the price is in the falling price channel on the 4-hour chart, the downside movement could be expected to continue and next target would be at 0.6770 area. Only break above the channel resistance could trigger another upside movement towards 0.6900.
