Advantest Co. (OTCMKTS:ATEYY – Get Free Report) saw a significant increase in short interest during the month of January. As of January 15th, there was short interest totalling 72,600 shares, an increase of 578.5% from the December 31st total of 10,700 shares. Based on an average trading volume of 341,800 shares, the days-to-cover ratio is […]