Sunny Optical Technology (Group) Company Limited (OTCMKTS:SNPTF – Get Free Report) saw a large growth in short interest in the month of May. As of May 15th, there was short interest totalling 8,494,400 shares, a growth of 25.6% from the April 30th total of 6,761,100 shares. Based on an average daily trading volume, of 100 […]