AUDUSD failed to break below the support of the rising trend line on the 4-hour chart and rebounded from 0.6838. Further rally could be expected in the coming days and next target would be at 0.6920 area. Key support is at 0.6838, only break below this level would indicate that the upside movement from 0.6754 had completed at 0.6938 already, then another fall towards 0.6750 could be seen.