U.K. stocks drop after strongest rally in a year By: MarketWatch November 20, 2012 at 04:52 AM EST U.K. stocks move lower on Tuesday after putting in their best daily performance in almost a year the prior day. Read More >> Related Stocks: BP Plc ADR Barclays Plc ADR HSBC Holdings Plc ADR Royal Bank Scotland Group Plc Royal Dutch Shell Cl B ADR