This paper examines whether the trading activities of retail and institutional investors cause comovements in stock returns. Using stock splits and headquarters changes events and a variety of trading-based measures, we show directly that retail investors generate excess comovements in stock...

This study investigates whether retail and institutional investors concentrate their trading among certain stock categories (i.e., habitats) and whether their trading activities generate return comovements among stocks within those habitats. Our results indicate that both retail and...

The ability to make predictions based on online searches in various contexts is gaining substantial interest in both research and practice. This study investigates a novel application of correlated online searches in predicting stock performance across supply chain partners. If two firms are...