Based upon an examination of 987 ex-dividend events that took place on the Taiwan Stock Exchange between January 1992 and December 2006, we find that differential taxes are an important factor affecting share prices and the behavior of investors around the ex-dividend day. Ex-day price drop...

Using a unique data set, we find that large individual investors are successful at picking stocks. Large individual investors' correlated trades can not only move synchronous stock prices but also positively predict future returns. More importantly, they tend to trade before major earnings...