Jenoptik AG (OTCMKTS:JNPKF – Get Free Report) was the target of a significant decrease in short interest in June. As of June 30th, there was short interest totalling 200 shares, a decrease of 88.9% from the June 15th total of 1,800 shares. Based on an average daily trading volume, of 0 shares, the days-to-cover ratio […]