A day after the Bank of England upgraded its growth forecast on the back of upbeat fundamentals, a separate report showed unexpected weakness in Britain's retail sector. On Thursday the Office for National Statistics said sales at retailers, excluding fuel, dropped 0.9% in August, while no change was expected, and lower from a 1.1% gain in July. Furthermore, the annual rate slowed to 2.1% from July's high of 3.0%. Even after a disappointment, analysts were reluctant to read too much into a volatile series and mentioned the underlying trend still positive. The biggest drag came from food stores where sales plummeted 2.7%. Meanwhile, July's strength may be only a sign of unusually hot weather, while Royal baby birth and successes of British sporting all provided an additional reason to splash out.