's overreaction, and a momentum behavior due to investor's underreaction. This study investigates if such behavior affects stock …

system-neglect hypothesis: Underreaction is most common in unstable environments with precise signals, and overreaction is …

indication of either under or overreaction. However, the abnormal returns differential signifies some level of underreaction …The present study empirically examines the short term under and overreaction effect in the Karachi Stock Exchange … or overreaction effect in the case of Karachi Stock Exchange both during and after the financial crisis events. The …

postformation horizons and by quite rapidly improving earnings growth expectations. Furthermore, we find that overreaction effects …

overconfidence leads to an overreaction to private information followed by an underreaction when the information becomes public …. Design/methodology/approach -In this study, the authors test analysts' overconfidence through the overreaction preceding a … public announcement followed by an underreaction after the announcement. If overconfidence occurs, over- and underreactions …

subsequent recovery. Last, we develop properties to explain some market anomalies, including short-term underreaction, long …-term overreaction, and excess volatility during a financial crisis and subsequent recovery. …