GBPUSD breaks below 1.5600 support, suggesting that a cycle top has been formed at 1.5776 on 4-hour chart. Now the pair is facing the support of the upward trend line on 4-hour chart, as long as the trend line support holds, the fall from 1.5776 could be treated as consolidation of the uptrend from 1.5268, and one more rise to 1.5900 is still possible. On the downside, a clear break below the trend line support will indicate that the uptrend from 1.5268 has completed at 1.5776 already then the following downward movement could bring price back to test 1.5268 previous low support.