The British pound appreciated vis-à-vis the U.S. dollar today as cable tested offers around the US$ 1.5125 level and was supported around the $1.4975 level.  Data released in the U.K. today saw Q4 gross domestic product upwardly-revised to 0.4% q/q and -3.1% y/y while the Q4 current account balance printed at -£1.7 billion, up from -£5.9 billion in Q3.  Also, Nationwide house prices were up 0.7% m/m and 9.0% y/y.  Cable bids are cited around the US$ 1.4455 level.  The euro moved lower vis-à-vis the British pound as the single currency tested bids around the £0.8880 level and was capped around the £0.9000 figure.