Raj Rajaratnam pleads not guilty to insider trading
Sri Lankan Tamil-origin billionaire Raj Rajaratnam has pleaded not guilty before a court here to running an insider trading scam that allegedly racked upto US$ 21 million in profits, the biggest such case in the US.
Billionaire Raj Rajaratnam, a partner at hedge fund Galleon Group, and five others were arrested Friday in New York for insider trading in the latest scandal to rock Wall Street.