During the Flash Crash on May 6, 2010, a short period of high stock market volatility, some stock prices declined to $0.01, while others increased to $100,000. Examining Intermarket Sweep Orders (ISO) before, on, and after May 6, we find that ISO use is substantially higher on May 6. For those...

Using daily equity transactions, we create a hedge fund informed trading measure (ITM) that separates information related trades from liquidity driven trades. We find that stocks with higher hedge fund informed trading are associated with higher future stock performance. The long-short portfolio...