Prior research has examined how companies exploit Twitter in communicating with investors, and whether Twitter activity predicts the stock market as a whole. We test whether opinions of individuals tweeted just prior to a firm's earnings announcement predict its earnings and announcement...

We advance a theory asserting that CSR performance may exacerbate, not necessarily moderate, a company's negative stock-price response to negative events. In testing this theory, we hypothesize and find that CSR performance alleviates (magnifies) the immediate negative market response to...

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)....

We document a market failure to fully respond to loss/profit quarterly announcements. The annualized post portfolio formation return spread between two portfolios formed on extreme losses and extreme profits is approximately 21 percent. This loss/profit anomaly is incremental to previously...