SCI Engineered Materials, Inc. (OTCMKTS:SCIA – Get Free Report) saw a significant growth in short interest during the month of December. As of December 31st, there was short interest totalling 500 shares, a growth of 400.0% from the December 15th total of 100 shares. Based on an average trading volume of 4,100 shares, the days-to-cover […]