GBPUSD extended its upside movement from 1.3039 to as high as 1.3387. As long as the price is in the rising price channel on the 4-hour chart, the uptrend could be expected to continue and next target would be at 1.3420 area. Above this level could trigger further upside movement towards 1.3657 (Sep 20 high) previous high. Near term support is at 1.3220, only break below this level will indicate that the uptrend is complete, then another fall towards 1.3027 support could be seen.