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The Uptick Rule Of Short Sale Regulation - Can It Alleviate Downward Price Pressures From Negative Earnings Shocks?, Lynn Bai
Lynn Bai
This paper empirically examines the effect of the uptick rule (including the bid test applicable to NASDAQ stocks) of short sale regulations on stock prices and short selling activities immediately after negative earnings surprises that occurred during the period of May to November 2005. It compares price paths and short selling activities of stocks restricted by the uptick rule with stocks that were exempted from the rule as a result of the SEC’s Pilot Program. The study has not found any evidence that prices of stocks subject to the rule declined at a slower speed than prices of exempted stocks …