Black Friday sales in Britain jump 16.5% by value - Barclaycard

LONDON (Reuters) - The value of Black Friday sales in Britain jumped 16.5% compared with last year, according to data from payments firm Barclaycard, in a much needed boost for the country's retailers.Barclaycard, which processes nearly one pound ($1.28) in every three pounds spent in the United Kingdom, said the volume of transactions on the annual discount day rose 7.2% year-on-year, while the volume of transactions on Cyber Monday was so far up 6.9%.With recent UK consumer spending subdued,..