GBPUSD cracks below 200 day MA

Price of GBPUSD also falls below 50% midpoint of move up from the July 20 low The GBPUSD cracked below its 200 day moving average at 1.3777. Also near that level is the 50% retracement of the move up from the July 20 low ( see hourly chart below).  The breaking of those key levels has