 CompX International Inc. NYSEAMERICAN:CIX was the target of a significant decrease in short interest in June. As of June 15th, there was short interest totalling 31,000 shares, a decrease of 7.7 from the May 31st total of 33,600 shares. Based on an average trading volume of 5,800 shares, the days-to-cover ratio is currently 5.3 days. ... 