 Aduro BioTech Inc NASDAQ:ADRO saw a large increase in short interest in June. As of June 15th, there was short interest totalling 2,920,000 shares, an increase of 6.6 from the May 31st total of 2,740,000 shares. Based on an average daily volume of 639,700 shares, the short-interest ratio is presently 4.6 days. Approximately 6.3 of ... 