First BanCorp. (NYSE:FBP – Free Report) was the target of a large increase in short interest in the month of June. As of June 15th, there was short interest totalling 4,460,000 shares, an increase of 22.9% from the May 31st total of 3,630,000 shares. Based on an average trading volume of 1,390,000 shares, the short-interest […]