GBP/USD Price Forecast: Bulls need 1.3560 to unlock 1.3600

The Pound Sterling (GBP) edges higher by some 0.29% against the US Dollar (USD) on Friday, yet it remains trading sideways, unable to decisively crack 1.3500 after reaching a three-week peak of 1.3509, and has retreated to the 1.3490 area.