Genmab A/S (NASDAQ:GMAB – Get Free Report) was the target of a large increase in short interest during the month of December. As of December 31st, there was short interest totalling 1,740,000 shares, an increase of 8.8% from the December 15th total of 1,600,000 shares. Based on an average trading volume of 847,200 shares, the […]