Vodafone Group advances in modestly higher London By: MarketWatch June 29, 2009 at 04:28 AM EDT Vodafone Group shares advanced in London amid a report that it may undertake a deal that will boost its presence in the U.K. mobile-phone market. Read More >> Related Stocks: Barclays Plc ADR Bhp Billiton Ltd ADR BlackRock Lloyds Banking Group Plc ADR