Curbing Enthusiasm : Media Sentiment and the Disciplining Role of Quarterly Earnings Announcements

A longstanding literature suggests that earnings provide the market with relevant information about firm performance, but one often overlooked benefit is their role in disciplining market expectations. This study examines the role of earnings announcements in constraining potential mispricing associated with firm-specific media sentiment. We show that media sentiment driven quarterly returns (orthogonal to risk factors and fundamental news) largely reverse when public earnings are released. Our results suggest that quarterly earnings announcements play an important role in reducing media sentiment-related mispricing