HSBC shares drag London stocks lower By: MarketWatch November 05, 2012 at 05:23 AM EST Shares of HSBC drop 2.4% in London on Monday, after the global banking major reported a 52% drop in third-quarter net income attributable to shareholders. Read More >> Related Stocks: BP Plc ADR Barclays Plc ADR Bhp Billiton Ltd ADR HSBC Holdings Plc ADR Rio Tinto Plc ADR Royal Bank Scotland Group Plc Royal Dutch Shell Cl B ADR