Twitter Mood as a Stock Market Predictor
by Johan Bollen and Huina Mao
It has often been said that stock markets are driven by "fear and greed" — that is, by psychological as well as financial factors. The tremendous volatility of stock markets across the globe in recent years underscores the need to better understand the role that emotions play in shaping stock prices and other economic indices. READ FULL ARTICLE (login required) »