Banks, mineral extractors drag on London at start of new quarter By: MarketWatch April 01, 2009 at 04:47 AM EDT London shares fell on Wednesday, the first day of the second quarter, as banks decline and the commodity sector also sees selling. Read More >> Related Stocks: Barclays Plc ADR Bhp Billiton Ltd ADR Bt Group Plc HSBC Holdings Plc ADR Lloyds Banking Group Plc ADR Rio Tinto Plc ADR