Topcon Co. (OTCMKTS:TOPCF – Get Free Report) was the target of a significant increase in short interest during the month of September. As of September 15th, there was short interest totalling 608,200 shares, an increase of 75.4% from the August 31st total of 346,800 shares. Based on an average daily trading volume, of 6,600 shares, […]