China Online Education Group ( NYSE:COE – Get Rating ) was the target of a significant increase in short interest in the month of March. As of March 31st, there was short interest totalling 568,500 shares, an increase of 51.0% from the March 15th total of 376,600 shares. Based on an average daily trading volume, of 406,400 shares, the short-interest ratio is currently 1.4 days. Hedge funds and other institutional investors have recently bought and sold shares of the business. Redpoint Investment Management Pty Ltd acquired a new stake in China Online Education Group during the 1st quarter valued at...