CPFL Energia S.A. (NYSE:CPL) was the recipient of a large decrease in short interest in the month of January. As of January 29th, there was short interest totalling 936,093 shares, a decrease of 44.4% from the January 15th total of 1,683,717 shares, Analyst Ratings.Net reports. Based on an average trading volume of 406,219 shares, the […]