This study examines the relationship between online search intensity and stock-trading behavior in the Japanese market. The search intensity is measured by the search volume of company names on Google. Our sample consists of 189 Japanese stocks searched between 2008 and 2011. We find...

The evolving literature on using Twitter to capture investor sentiment suggests that stock market performance is linearly associated with Twitter's public mood. We investigate whether investor sentiment determined by the Twitter sentiment index (TSI) has a nonlinear predictive power for stock...