Cardiac Biotech Solutions, Inc. (OTCMKTS:CBSC – Get Free Report) was the recipient of a significant drop in short interest in May. As of May 29th, there was short interest totaling 1,207 shares, a drop of 75.6% from the May 14th total of 4,952 shares. Approximately 0.0% of the shares of the stock are short sold. [...]