Avadel Pharmaceuticals plc (NASDAQ:AVDL – Get Free Report) was the recipient of a significant growth in short interest during the month of September. As of September 15th, there was short interest totalling 3,340,000 shares, a growth of 28.0% from the August 31st total of 2,610,000 shares. Based on an average trading volume of 669,400 shares, […]