This paper examines whether the results supporting a sentiment-related overpricing story is valid even after controlling for the effect of macroeconomic conditions. We no longer find the results consistent with the sentiment-related overpricing story after adjusting for the effect of several...

We examine whether the results supporting the sentiment-related overpricing story by Stambaugh, Yu, and Yuan (J. Financial Economics, v.104, p.288-302) is still valid after controlling for macroeconomic conditions. We no longer find the results consistent with the sentiment-related overpricing...

By using an extensive dataset of more than 32 million messages on 91 firms posted on the Yahoo! Finance message board over the period January 2005 to December 2010, we examine whether investor sentiment as expressed in posted messages has predictive power for stock returns, volatility, and...