Former trader Tom Hayes arrives at Southwark Crown Court in London October 21, 2013. Hayes, a former UBS and Citigroup trader, on Monday pleaded "not guilty" to charges that he sought to manipulate ... more 
Former trader Tom Hayes arrives at Southwark Crown Court in London October 21, 2013. Hayes, a former UBS and Citigroup trader, on Monday pleaded "not guilty" to charges that he sought to manipulate benchmark Libor interest rates. REUTERS/Toby Melville (BRITAIN - Tags: CRIME LAW BUSINESS) less 
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Reuters | Photo By TOBY MELVILLE / REUTERS
Mon, Oct 21, 2013 11:22 AM EDT