Mining firms bruise FTSE 100; HSBC off after downgrade By: MarketWatch December 03, 2013 at 05:50 AM EST Most U.K. stocks decline, as fears the U.S. Federal Reserve could soon reduce its asset purchases weigh on stock markets globally. Read More >> Related Stocks: Barclays Plc ADR Bhp Billiton Ltd ADR HSBC Holdings Plc ADR Rio Tinto Plc ADR