Duke Energy Co. (NYSE:DUK – Get Free Report) was the target of a significant growth in short interest during the month of April. As of April 30th, there was short interest totalling 9,960,000 shares, a growth of 17.2% from the April 15th total of 8,500,000 shares. Based on an average daily volume of 3,080,000 shares, […] Read this story