Sika AG (OTCMKTS:SXYAY – Get Rating) saw a significant increase in short interest in the month of May. As of May 15th, there was short interest totalling 27,000 shares, an increase of 558.5% from the April 30th total of 4,100 shares. Based on an average trading volume of 90,500 shares, the days-to-cover ratio is currently […]