ROBO Global Robotics & Automation ETF (NYSEARCA:ROBO – Get Free Report) saw a large growth in short interest in June. As of June 30th, there was short interest totaling 170,988 shares, a growth of 132.7% from the June 15th total of 73,495 shares. Based on an average daily volume of 240,304 shares, the short-interest ratio […]