“Sterling’s slide came as Martin Weale, a senior Bank of England policymaker, said on Saturday that the pound may need to weaken further, which would help to make exports cheaper and spur growth. ‘It may be that high levels of uncertainty and a reluctance to take on new risks have stood in the way of exporters seeking new markets and domestic producers doing what is needed to displace imports,’ Mr Weale said in a speech.  ‘Provided the calmer atmosphere we have seen since the summer is sustained, we may see further benefits of the depreciation.'”