In the past few days, 1.3850 provided strong support for GbpUsd and buyers came into the market each time the pair reached that zone. At this point cable is trading under 1.4 important resistance and a break above is more and more probable. Bulls can have 1.4250 in sight, but, considering Gbp's volatility I wouldn't be surprised if 1.45 is reached in the medium term if 1.4 is confirmed as a break