Merck KGaA (OTCMKTS:MKGAF – Get Free Report) saw a large increase in short interest in the month of July. As of July 15th, there was short interest totalling 377,200 shares, an increase of 20.3% from the June 30th total of 313,600 shares. Based on an average daily trading volume, of 6,800 shares, the days-to-cover ratio […]