Inrad Optics, Inc. (OTCMKTS:INRD – Get Free Report) was the target of a significant growth in short interest in October. As of October 15th, there was short interest totalling 700 shares, a growth of 16.7% from the September 30th total of 600 shares. Based on an average daily trading volume, of 1,000 shares, the days-to-cover […]