INVO Bioscience, Inc. (NASDAQ:INVO – Get Free Report) was the target of a large increase in short interest in the month of May. As of May 15th, there was short interest totalling 81,300 shares, an increase of 146.4% from the April 30th total of 33,000 shares. Approximately 2.2% of the company’s shares are short sold. […]