Innovator Power Buffer Step-Up Strategy ETF (NYSEARCA:PSTP – Get Free Report) was the recipient of a large decrease in short interest in June. As of June 30th, there was short interest totaling 3,516 shares, a decrease of 81.5% from the June 15th total of 19,033 shares. Currently, 0.1% of the company’s shares are sold short. [...]