Stock market trading activity and returns around milestones |
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Authors: | George O. Aragon Stephan Dieckmann |
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Affiliation: | aW.P. Carey School of Business at Arizona State University, Tempe, AZ 85287-3906, United States;bWharton School at University of Pennsylvania, Philadelphia, PA 19104-6367, United States |
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Abstract: | We study the relation between daily stock market trading activity and the Dow Jones Industrial Average's (DJIA) movement around millenary milestones—numbers that end in three zeros. We find aggregate turnover to be 5% lower when the DJIA level is less than 1% away from the nearest milestone. The effect emerges as the DJIA approaches a milestone from below, and is stronger for first-time milestones compared to subsequent passages. The aggregate price impact is large, such that daily stock returns show a negative abnormal performance of − 10 basis points. Our findings suggest that millenary milestones of the DJIA play a role in some investors' decision making. |
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Keywords: | JEL classification: G11 G12 |
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