The well-known stock market adage "sell in May and go away" arose from long-term stock market seasonality in major financial markets around the globe. Kamastra, Kramer and Levy (2003) present evidence that Seasonal Affective Disorder causes this seasonality, as this condition has a profound...

Using a large dataset of news releases, we study instances of investors' mistaken reaction, or misreaction, to news. We define misreaction as stock prices moving in the direction opposite to the news when it is released. We find that news tone predicts returns in the cross-section only upon the...

We predict and find that short-selling constraints combined with investor disagreement cause prices to respond more strongly to bad earnings news than to good earnings news, an asymmetry characterized by Skinner and Sloan as the “torpedo effect.” However, in the absence of short-sales...

In this study, we examine the effect of investor sentiment on the stock market reaction to earnings news (i.e., the earnings response coefficient or ERC) for loss firms. We find that the ERC for loss firms' earnings increases is less positive as sentiment increases, contrary to the findings in...