UK Black Friday sales down year-on-year, data shows

LONDON (Reuters) - Black Friday spending in Britain fell year-on-year, credit card data showed on Friday, dealing a blow to retailers who had hoped for strong sales at the start of the Christmas shopping season. Barclaycard, which processes nearly half of all UK debit and credit card transactions, had as of 1300 GMT seen a 12 percent drop in the amount spent, though the volume of transactions was 15 percent higher than seen at the same point of last year's Black Friday. "Our data shows that..