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Amgen and the Fraud-on-the-Market Class Action: Frozen in Time?

The Supreme Court’s very recent decision in the Amgen case addressed whether a “merits” issue—the materiality of the alleged misstatement or omission—is such a predicate to the fraud-on-the-market presumption established in Basic Inc. v. Levinson that it must be proved … Read more

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Editor's Tweet: Professor Donald Langevoort of Georgetown Law discusses Amgen and the Fraud-on-the-Market Class Action: Frozen in Time?
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“Fine Distinctions” in the Contemporary Law of Insider Trading

William Cary’s opinion for the SEC in In re Cady, Roberts & Co. built the foundation on which the modern law of insider trading rests.  Today, we have a stable framework of three distinct legal theories—the classical theory, the misappropriation … Read more

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Editor's Tweet: Professor Donald Langevoort of Georgetown Law has posted his new paper on Insider Trading. It includes a discussion of SEC v. Obus.