Jenoptik AG (OTCMKTS:JNPKF – Get Free Report) saw a significant decrease in short interest in the month of December. As of December 15th, there was short interest totalling 8,600 shares, a decrease of 21.1% from the November 30th total of 10,900 shares. Based on an average trading volume of 0 shares, the short-interest ratio is […]