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The Boston Globe


US alleges $276m in insider trading dealings

Broadening crackdown puts heat on a titan

NEW YORK — Over the past half-decade, as federal authorities secured dozens of insider-trading convictions of hedge fund traders, they have tried doggedly to build a case against one of Wall Street’s most influential players: billionaire stock picker Steven A. Cohen.

On Tuesday, prosecutors appeared closer to that goal, charging a former portfolio manager at the hedge fund SAC Capital Advisors, a case that for the first time directly involves Cohen, the fund’s founder.

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