AUDUSD stays above a rising trend line on the 4-hour chart and remains in the uptrend from 0.6401. As long as the trend line support holds, the upside movement could be expected to continue and next target would be at 0.6800 area. On the downside, a breakdown below the trend line would indicate that the upside movement had completed at 0.6680 already, then another fall towards 0.6372 support could be seen.