GBPUSD remains in downtrend from 1.6182, the rise from 1.5592 is likely consolidation of the downtrend. Key resistance is located at the downward trend line on 4-hour chart, as long as the trend line resistance holds, the downtrend could be expected to continue, and next target would be at 1.5400 area. Only a clear break above the trend line resistance could signal completion of the downtrend.