Advantest Co. (OTCMKTS:ATEYY – Get Rating) was the recipient of a significant drop in short interest during the month of April. As of April 30th, there was short interest totalling 7,300 shares, a drop of 88.9% from the April 15th total of 65,700 shares. Based on an average daily volume of 26,800 shares, the days-to-cover […]