TThe 2015 bankruptcy of Doral Financial Corporation, once “the best” U.S. bank according to U.S. Banker, is the largest since April 2010. The bankruptcy concludes years of management manipulation and efforts to recover. SEC investigation revealed fraud related to Doral's valuation of...

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...