Informa plc (OTCMKTS:IFJPY – Get Free Report) saw a large drop in short interest in December. As of December 15th, there was short interest totalling 500 shares, a drop of 93.5% from the November 30th total of 7,700 shares. Based on an average daily volume of 6,100 shares, the short-interest ratio is presently 0.1 days. […]