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Fact Or Fiction: Flawed Approaches To Evaluating Market Behavior In Securities Litigation, Ann Lipton

Publications

Courts entertaining class actions brought under Section 10(b) of the Securities Exchange Act are required to make numerous factual judgments about the economic effects of the alleged misconduct. For example, they must determine whether and for how long publicly-available information has exerted an influence on security prices, and whether an alleged fraud caused economic harm to investors. Judgments on these matters dictate whether cases will proceed to summary judgment and trial, whether classes will be certified and the scope of such classes, and the damages that investors are entitled to collect.

Over the years, courts have developed a variety of …