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Federal authorities, capping a three-year investigation, are preparing insider-trading charges that could ensnare consultants, investment bankers, hedge-fund and mutual-fund traders and analysts across the nation, according to people familiar with the matter.
The criminal and civil probes, which authorities say could eclipse the impact on the financial industry of any previous such investigation, are examining whether multiple insider-trading rings reaped illegal profits totaling tens of millions of dollars, the people say. Some charges could be brought before year-end, they say.
In another aspect of the probes, prosecutors and regulators are examining whether Goldman Sachs Group Inc. bankers leaked information about transactions, including health-care mergers, in ways that benefited certain investors, the people say. Goldman declined to comment.
Among hedge-fund managers whose trading in takeovers is a focus of the criminal probe is Todd Deutsch, a top Wall Street trader who left Galleon Group in 2008 to go out on his own, the people close to the situation say. A spokesman for Mr. Deutsch, who has specialized in health-care and technology stocks, declined to comment.
Prosecutors also are investigating whether some hedge-fund traders received inside information about Advanced Micro Devices Inc., which figured prominently in the government's insider-trading case last year against Galleon Group hedge fund founder Raj Rajaratnam and 22 other defendants.
Fourteen defendants have pleaded guilty in the Galleon case; Mr. Rajaratnam has pleaded not guilty and is expected to go to trial in early 2011.
Among those whose AMD transactions have been scrutinized is hedge-fund manager Richard Grodin. Mr. Grodin, who received a subpoena last fall, didn't return calls. An AMD spokesman declined to comment.