Merrimack Pharmaceuticals Inc (NASDAQ:MACK) was the recipient of a significant growth in short interest in February. As of February 28th, there was short interest totalling 26,888,026 shares, a growth of 21.9% from the February 15th total of 22,055,616 shares. Based on an average daily volume of 1,577,502 shares, the short-interest ratio is presently 17.0 days.
Woah! 17 days to cover short shares! Wow! This stock has a big cash dividend coming soon that will force shorts to cover!