Shares in London decline as HSBC Holdings, Barclays drop again By: MarketWatch January 15, 2009 at 04:39 AM EST London shares fell again on Thursday, with worries over the health of the banking sector showing few signs of abating. Read More >> Related Stocks: Barclays Plc ADR Bhp Billiton Ltd ADR HSBC Holdings Plc ADR Rio Tinto Plc ADR