Align Technology, Inc. (NASDAQ:ALGN – Get Free Report) saw a significant decrease in short interest in April. As of April 30th, there was short interest totalling 1,290,000 shares, a decrease of 6.5% from the April 15th total of 1,380,000 shares. Approximately 1.8% of the company’s shares are short sold. Based on an average trading volume […]