John Mayne, managing director, UK client coverage at JP Morgan leaves Portcullis House, after appearing before a government committee in central London November 20, 2013. On Wednesday bankers, ... more 
John Mayne, managing director, UK client coverage at JP Morgan leaves Portcullis House, after appearing before a government committee in central London November 20, 2013. On Wednesday bankers, including from UBS and Goldman Sachs which managed the initial public offering (IPO) of Britain's Royal Mail, were summoned before the Business Innovation and Skills committee to explain their valuations of Royal Mail. REUTERS/Luke MacGregor (BRITAIN - Tags: BUSINESS POLITICS) less 
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Reuters | Photo By LUKE MACGREGOR / REUTERS
Wed, Nov 20, 2013 8:08 AM EST