WD-40 Company (NASDAQ:WDFC) was the target of a significant growth in short interest during the month of April. As of April 29th, there was short interest totalling 870,356 shares, a growth of 25.7% from the April 15th total of 692,157 shares, Market Beat Ratings reports. Approximately 6.3% of the company’s shares are short sold. Based […]