Activision Blizzard, Inc (NASDAQ:ATVI) was the recipient of a large increase in short interest in September. As of September 15th, there was short interest totalling 12,753,802 shares, an increase of 17.8% from the August 31st total of 10,830,626 shares. Approximately 1.8% of the company’s stock are sold short. Based on an average daily trading volume, […]