Planned successions, meanwhile, created a narrower trading window of 19% above and 13% below the broader index, on average.

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Kerkorian would be able to make the purchase during the next trading window set by MGM, which starts three days after its next quarterly report.

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Baker feels the current drop has been overdone, and, looking at the past decade, Baker noted that every time shares of AMR Corp. (nyse: AMR - news - people ), the parent of American Airlines, or Continental Airlines, pulls back 30% within a 31-day trading window, shares have consistently rallied over the next 180 trading days.

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The trial, some of which could be sealed if prosecutors get their way, would be a fascinating window into the worlds of Wall Street and trading.

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Ailouros was granted a three-month window in which to buy the shares at an 8% discount to the seven-day-average trading price, or a floor price set by Research Frontiers.

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