U.K. stocks drop as Spanish fears weigh By: MarketWatch December 15, 2010 at 04:33 AM EST U.K. shares fall as a possible rating downgrade for Spain weighs on the banking sector, with mining and retail stocks also coming under pressure. Read More >> Related Stocks: Barclays Plc ADR Lloyds Banking Group Plc ADR Rio Tinto Plc ADR Royal Bank Scotland Group Plc Simon Property Group