Does fake news in financial markets attract more investor attention and have a significant impact on stock prices? We use the SEC crackdown of stock promotion schemes in April 2017 to examine investor attention and the stock price reaction to fake news articles. Using data from Seeking Alpha, we...

Using Bloomberg’s daily Twitter Sentiment data for S&P500 firms, we show that Twitter information reduces forecast optimism and improves forecast accuracy of sell-side equity analysts. Negative Twitter information is more influential, and this effect is distinct from the impact of news. Using...

This paper explores the role mutual fund herding plays on the return comovement in Chinese stocks. The results show that mutual fund herding significantly reduces the return comovement among Chinese stocks, providing evidence for the existence of a rational herding behavior by mutual funds. We...