Hedge-fund tycoon Raj Rajaratnam

Associated Press
FILE - In this May 11, 2011 file photo, Raj Rajaratnam, billionaire co-founder of Galleon Group, is surrounded by photographers as leaves Manhattan federal court with his attorney Terence Lynan, left, in New York. Rajaratnam, the former Wall Street titan convicted of making a fortune by coaxing a crew of corporate tipsters to give him an illegal edge on blockbuster trades in technology and other stocks, is scheduled to be sentenced Thursday, Oct. 13, 2011 for his conviction at trial earlier this year. (AP Photo/Mary Altaffer, File)

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A former billionaire who was the primary target of what prosecutors called the biggest hedge fund insider trading case in U.S. history was sentenced to 11 years in prison on Oct. 13. (AP)

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