Sharp fall after data today
The GBPUSD fell sharply today after PMI service data came in weaker than expected. 
In the process, the
pair fell below the 200 hour MA (green line currently at 1.3221) , the 100 hour MA (100 hour MA), the 100 bar MA on the 4-hour
chart (at 1.3164) and the 50% of the move up from the July 11th low (also at 1.3164).