Nuveen S&P 500 Dynamic Overwrite Fund (NYSE:SPXX – Get Rating) was the target of a large decrease in short interest in May. As of May 15th, there was short interest totalling 8,200 shares, a decrease of 46.8% from the April 30th total of 15,400 shares. Based on an average daily trading volume, of 38,000 shares, […]