The complaint alleged that profits were made on trading in Google, Polycom, People Suppport, Clearwire and Advanced Micro Devices.
Others charged included Rajiv Goel, an executive at Intel's investment arm, Anil Kumar from, McKinsey & Co., a management-consulting firm, Danielle Chiesi and Mark Kurland of New Castle Partners and Robert Moffat, a senior vice president at IBM.
The US Securities and Exchange Commission had brought the securities fraud charges with the aid of a co-operating witness identified as 'Tipper A' backed up by wiretaps court documents showed.
The prosecutors alleged that an insider trading ring had been operating where millions of dollars had been made by buying into stocks and call options ahead of higher than expected profits or shorting stocks or trading put options when earnings were to fall.
Prosecutors alleged that Rajaratnam and several Galleon funds as well as 'Tipper A' and others had used non-public insider information and also passed them around to m