 Omega Flex, Inc. NASDAQ:OFLX was the target of a large increase in short interest in January. As of January 31st, there was short interest totalling 307,200 shares, an increase of 7.2 from the January 15th total of 286,500 shares. Based on an average daily volume of 19,200 shares, the short-interest ratio is currently 16.0 days. ... 