Journal
JOURNAL OF FINANCIAL ECONOMICS
Volume 106, Issue 3, Pages 635-659Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jfineco.2012.06.011
Keywords
Predictability of stock returns; Information; Analyst reports; Momentum reversals
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This paper focuses on stocks that experience major price changes. Using analyst reports as a proxy. I find that price events accompanied by information are followed by drift, while no-information ones result in reversals. One interpretation of these results is that investors underreact to news about fundamentals and overreact to other shocks that move stock prices. Consistent with this hypothesis, information-based price changes are more strongly correlated with future earnings surprises than no-information ones. Furthermore, drift exists only when the direction of the price move and of the change in analyst recommendations have the same sign. Finally, the ratio of no-information to information-based price shocks is strongly correlated with aggregate implied volatility and also forecasts momentum returns. (C) 2012 Elsevier B.V. All rights reserved.
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