The British pound appreciated vis-à-vis the U.S. dollar today as cable tested offers around the US$ 1.6015 level and was supported around the $1.5930 level.  BRC reported U.K. retailers expect 2010 to be a difficult year but don't expect sales to fall from 2009 levels.  Sterling liquidity was very light with Commonwealth and some European markets closed for the Boxing Day holiday.  Cable is now up about thirteen big figures on a year-to-date basis.  Many traders believe Bank of England's Monetary Policy Committee will keep monetary policy unchanged until at least February when fourth quarter gross domestic product data are available along with the latest quarterly inflation forecast.  Cable bids are cited around the US$ 1.5755 level.  The euro moved lower vis-à-vis the British pound as cable tested bids around the ?0.8980 level and was capped around the ?0.9020 level.