By Joice Alves LONDON (Reuters) – Sterling fell back towards an all-time low against the dollar on Monday, after a statement from the Bank of England (BoE) disappointed market expectations for an emergency rate hike to shore up the battered British currency. In a tumultuous day, sterling dived to a record low in Asian trade, then recovered some ground on expectations the BoE would step in to calm a market on edge since the government announced its fiscal plans on Friday. But the pound came under renewed selling pressure in late London trade after the BoE said it was closely watching markets fo…