Hedge Fund and Insider Trading News: Jim Chanos, Ken Griffin, Marc Lasry, York Capital Management, GlaxoSmithKline PLC (GSK), Yelp Inc (YELP), and More

NEW YORK (Reuters) - Hedge fund manager Jim Chanos says he is betting that the stocks of physican practice management companies Mednax (MD.N) and Envision Healthcare (EVHC.N) ...

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