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Faculty Publications

Insider trading

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A Middle Ground On Insider Trading, Thomas A. Lambert Jan 2009

A Middle Ground On Insider Trading, Thomas A. Lambert

Faculty Publications

For more than four decades, corporate law scholars have debated whether government should prohibit insider trading, commonly defined as stock trading on the basis of material, nonpublic information. Participants in this long-running debate have generally assumed that trading that decreases a stock's price should be treated the same as trading that causes the price to rise: either both forms of trading should be regulated or neither should. I argue for a middle-ground position in which "price-decreasing insider trading" (sales, short sales, and purchases of put options on the basis of negative information) is deregulated, while "price-increasing insider trading" (purchases of …


The Insider Story, Richard C. Reuben Jun 1997

The Insider Story, Richard C. Reuben

Faculty Publications

The central issue in United States v. O'Hagan, No. 96-842, is the validity of the so-called "misappropriation theory" of insider trader liability under Section 10(b) of the Securities and Exchange Act of 1934. 15 US.C. 78(j)(b). The justices heard oral arguments in April. If the theory propounded by federal regulators is endorsed by the Court, it would expand insider trader liability under U.S. law.


"Front-Running" - Insider Trading Under The Commodity Exchange Act, Jerry W. Markham Jan 1988

"Front-Running" - Insider Trading Under The Commodity Exchange Act, Jerry W. Markham

Faculty Publications

On ‘Black Monday,’ October 19, 1987, ‘perhaps the worst day in the history of U.S. equity markets,’ the Dow Jones Industrial Average fell by 508 points, representing a loss of approximately $1 trillion in the value of all outstanding United States stocks. In the wake of the crash, numerous studies were conducted and reports published in which a host of regulatory issues were considered, including a disturbing phenomenon called ‘front-running.’ Simply stated, the practice of front-running involves a transaction in a commodity futures contract or a stock option contract by a trader with ‘material’ nonpublic information concerning a ‘block’ transaction …