Roche Holding AG (OTCMKTS:RHHBY – Get Rating) was the recipient of a significant increase in short interest in the month of March. As of March 31st, there was short interest totalling 4,435,600 shares, an increase of 32.6% from the March 15th total of 3,344,500 shares. Based on an average daily trading volume, of 3,581,400 shares, […]