Taking a closer look at the experts: Hedge funds scrutinize research firms

Some hedge funds have been ditching third-party research providers as questions linger about just what constitutes insider trading.


In late November, just days after the Federal Bureau of Investigation raided hedge fund firms Diamondback Capital Management, Level Global Investors and Loch Capital Management, the phones went silent at the third-party research firms and expert networks that had been working with $1.8

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