ADMA Biologics, Inc. (NASDAQ:ADMA – Get Free Report) saw a large growth in short interest during the month of April. As of April 30th, there was short interest totalling 8,720,000 shares, a growth of 7.5% from the April 15th total of 8,110,000 shares. Based on an average daily volume of 2,540,000 shares, the days-to-cover ratio […]