China Online Education Group (NYSE:COE) was the recipient of a large growth in short interest in the month of September. As of September 15th, there was short interest totalling 350,300 shares, a growth of 78.7% from the August 31st total of 196,000 shares. Approximately 15.6% of the company’s stock are short sold. Based on an average daily volume of 658,400 shares, the days-to-cover ratio is currently 0.5 days. Shares of NYSE:COE traded down $0.09 during trading on Friday, hitting $2.52. 442,657 shares of the company were exchanged, compared to its average volume of 288,589. The business’s 50 day moving average...