China Online Education Group ( NYSE:COE – Get Rating ) was the recipient of a significant drop in short interest during the month of April. As of April 15th, there was short interest totalling 443,600 shares, a drop of 22.0% from the March 31st total of 568,500 shares. Based on an average daily volume of 404,500 shares, the short-interest ratio is presently 1.1 days. COE traded down $0.07 on Wednesday, reaching $1.47. The stock had a trading volume of 600 shares, compared to its average volume of 63,453. China Online Education Group has a 12-month low of $0.76 and a...