In many of them, Mr. Rajaratnam could be heard exchanging confidential information about technology stocks like Google and Advanced Micro Devices.
The government has accused the two men of receiving inside information through a "circle of friends" who exchanged information about technology companies.
Federal prosecutors have charged Ms. Jiau with knowingly facilitating the passing of secret information about technology businesses to hedge fund traders.
John Kinnucan, founder of Broadband Research, based in Portland, Ore., is expected to plead guilty to sharing secret information about technology companies with money managers in exchange for cash.
The analyst, John Kinnucan, founder of Broadband Research in Portland, Ore., was charged earlier this week in New York with leaking secret information about technology companies to his hedge fund clients.
For a time, he sat near Mr. Cohen on the trading floor and was relied upon as an important source of information about technology stocks.
Mr. Kinnucan, 55, who ran Broadband Research in Portland, Ore., pleaded guilty last July to leaking secret information about technology companies to hedge funds.
new york times bits Technology Analyst Expected to Plead Guilty in Insider Case | John Kinnucan, founder of Broadband Research, based in Portland, Ore., is expected to plead guilty on Wednesday to sharing secret information about technology companies with money managers.
Mr. Korzenny said that although the perception of high cost was still a strong barrier to computer ownership, lack of information about technology was an impediment that loomed just as large.
Federal prosecutors have recordings of a Goldman Sachs executive leaking confidential information about technology stocks to Raj Rajaratnam, the former hedge fund billionaire convicted of insider trading, a lawyer disclosed Friday during a court hearing.
