In a competitive information market, a single information source can only dominate other sources individually, not collectively. We explore whether earnings announcements constitute such a dominant source using Ball and Shivakumar's (2008) R2 metric: the proportion of the variation in annual...

We examine whether access to management at broker-hosted investor conferences leads to more informative research by analysts. We find analyst recommendation changes have larger immediate price impacts when the analyst's firm has a conference-hosting relationship with the company. The effect...

Earnings announcement days on average provide more information to the stock market than any other days in each quarter. In particular, the proportions of the variation in annual returns explained by returns on days with dividend announcements, management forecasts, preannouncements, or 10-K and...