Nippon Telegraph and Telephone Co. (OTCMKTS:NTTYY – Get Free Report) saw a large increase in short interest during the month of July. As of July 31st, there was short interest totalling 39,900 shares, an increase of 125.4% from the July 15th total of 17,700 shares. Based on an average daily trading volume, of 284,900 shares, […]