Fraud-On-The-Market Presumption: Rebuttable

Law360, New York (November 21, 2008, 12:00 AM EST) -- Given the current volatility in the financial markets, many are left scratching their heads about whether or not to buy particular securities and what information to rely on in doing so.

While some are motivated to buy securities based on price-to-earnings ratios, others trade because of their own prognostications about the future of the regulatory environment or impact of certain political events.

Still other investors use strategies that rely on statistical analyses that have little if anything to do with information about a particular security (other...
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