We study the price impact of daily institutional herding induced by information events. Using analyst recommendation changes as a proxy, we find that institutional herding on recommendation changes is short–lived. Daily institutional herding, on average, destabilizes price. However, herding...

Between 2009 and 2013, Theflyonthewall.com (FLY) leaks 58% of recommendation revisions with a median delay of 27 minutes relative to the I/B/E/S announcement time. We show FLY improves price discovery, but leaked recommendations hamper the ability of brokers to offer price improvement on trades...

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...

We demonstrate that time stamps reported in I/B/E/S for analysts' recommendations released during trading hours are systematically delayed. Using newswire-reported time stamps, we find 30-minute returns of 1.83% (-2.10%) for upgrades (downgrades), but for this subset of recommendations we find...