Sterling falls below $1.225, held down by Brexit, negative rates risk

LONDON (Reuters) - The pound fell against the dollar and euro on Thursday, little changed after Wednesday's reports that Brexit talks are at an impasse, and still held down by speculation about negative interest rates.Sterling fell 1% on Wednesday after Britain told the European Union on Wednesday it needed to break a fundamental impasse to clinch a Brexit trade deal by the end of the year.The pound is close to its lowest levels in more than three decades, as it grapples with Brexit, speculation..