China Online Education Group ( NYSE:COE – Get Rating ) was the recipient of a significant decrease in short interest during the month of July. As of July 31st, there was short interest totalling 233,600 shares, a decrease of 13.4% from the July 15th total of 269,900 shares. Currently, 2.7% of the shares of the company are sold short. Based on an average daily trading volume, of 73,000 shares, the short-interest ratio is currently 3.2 days. China Online Education Group Trading Down 3.1 % China Online Education Group stock traded down $0.05 during mid-day trading on Wednesday, hitting $1.57. The...