Roche Holding AG (OTCMKTS:RHHBY – Get Free Report) saw a significant growth in short interest in May. As of May 15th, there was short interest totalling 7,198,900 shares, a growth of 23.7% from the April 30th total of 5,817,300 shares. Based on an average trading volume of 5,976,000 shares, the days-to-cover ratio is currently 1.2 […]