Aena S.M.E., S.A. (OTCMKTS:ANNSF – Get Free Report) saw a significant decline in short interest in May. As of May 15th, there was short interest totalling 700 shares, a decline of 69.6% from the April 30th total of 2,300 shares. Based on an average daily volume of 200 shares, the days-to-cover ratio is currently 3.5 […]