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Short Selling

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Short Selling

Short Selling

Short Selling

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  • <iframe src="https://www.npr.org/player/embed/1130298/130298" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Financial regulators in the U.S. and Europe are stepping up their investigation into unusual financial market activity prior to September. They are trying to determine whether people affiliated with the terrorists traded in options markets before the attacks, betting against airlines and insurance companies. NPR's John Ydstie reports.

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