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Expert Analysis

Emerging Issues In Evaluating Market Efficiency: Part 1

Law360, New York (July 18, 2012, 4:45 PM EDT) -- Typically in securities litigation, market efficiency is evaluated by analyzing the five Cammer factors: trading volume, analyst coverage, market makers, S-3 eligibility, and empirical evidence of stock price reactions. Because an event study determines whether a company's stock reacts appropriately to the release of new information, experts and courts have traditionally utilized event studies to analyze the empirical factor, (i.e. whether it fulfills the fifth Cammer factor)....

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