Using daily stock returns, we estimate the precision of information during earnings and non-earnings announcement days, and find that although the precision of information in daily stock returns increases during earnings announcement days, it explains less of the variation in expected returns...

This paper analyzes the interaction between investor overconfidence, share turnover, return volatility and the disposition effect. I create a measure for investor overconfidence using posted price target updates retrieved from Yahoo!Finance online message boards. I find that posters are slow to...

This paper tests the idea that arbitrageurs use public announcements as a synchronizing signal. I find that firms publicly identified by hedge fund managers as being overvalued underperform their respective benchmarks by 324 to 376 basis points per month, during the 24 months subsequent to the...

This study tests and finds that stock prices around earnings announcements reflect investor aversion to negative news. We find that when forecasts are negatively skewed, indicating considerable downside risk, earnings announcement returns are eventually more positive. Announcement returns are...

Investors are reluctant to trade in the high-information-asymmetry days before earnings announcements. We show that the decrease in liquidity trading before announcements is asymmetric. We analyze buy and sell orders of investors with passive investment strategies, and find they do not reduce...

Trading outside the main session occurs between 4:00PM-8:00PM and 4:00AM-9:30AM and is typically dominated by institutional investors, as retail investors are discouraged to trade in the extended trading hours. This study examines whether trading in the extended hours is predictive of future...