Wireless Telecom Group, Inc. (NYSEAMERICAN:WTT – Get Rating) was the target of a large increase in short interest in May. As of May 31st, there was short interest totalling 84,000 shares, an increase of 189.7% from the May 15th total of 29,000 shares. Currently, 0.4% of the company’s stock are short sold. Based on an […]