Invesco BulletShares 2030 Municipal Bond ETF (NASDAQ:BSMU – Get Free Report) saw a significant growth in short interest in May. As of May 15th, there was short interest totalling 33,800 shares, a growth of 154.1% from the April 30th total of 13,300 shares. Based on an average trading volume of 21,100 shares, the short-interest ratio […]