ACS, Actividades de Construcción y Servicios, S.A. (OTCMKTS:ACSAF – Get Free Report) saw a significant drop in short interest during the month of April. As of April 15th, there was short interest totalling 7,600 shares, a drop of 17.4% from the March 31st total of 9,200 shares. Based on an average daily volume of 700 […]