SEC compromises as it makes short-selling rules permanent

The Securities and Exchange Commission's rules on short-selling require additional disclosure, although the information will be delayed by a month. The rules keep positions by individual money managers confidential but aggregate data on short positions for individual stocks. Hedge funds will not be required to disclose to regulators details about their short positions.

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http://www.nytimes.com/2009/07/28/business/28naked.html