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Research Details

Do Security Analysts Exhibit Persistent Differences in Stock Picking Ability?, Journal of Financial Economics

Abstract

We investigate if sell-side security analysts exhibit relative persistence in their stock picking ability. We find that analysts whose recommendation revisions earned the most (least) positive excess returns in the past continue to outperform (underperform) other analysts in the future. Further, we find that the market recognizes these performance differences in the five-day period surrounding the recommendation revision. This market reaction, however, is incomplete. Excess returns measured over the one and three trading months following the revision are significantly different from zero and positively associated with the analysts

Type

Article

Author(s)

Michael Mikhail, Beverly Walther, Richard Willis

Date Published

2004

Citations

Mikhail, Michael, Beverly Walther, and Richard Willis. 2004. Do Security Analysts Exhibit Persistent Differences in Stock Picking Ability?. Journal of Financial Economics. 74(1): 67-91.

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