Earnings announcements are clustered in calendar time and such clusters, referred to as earnings seasons, are characterized by intense arrival of information from firms in an industry. The news arrives not only from earnings announcement by the firm, announced news, but also from pre-emptive...

Prior research examines how companies exploit Twitter in communicating with investors, how information in tweets by individuals may be used to predict the stock market as a whole, and how Twitter activity relates to earnings response coefficients (the beta from the returns/earnings regression)....