Merrimack Pharmaceuticals, Inc. (NASDAQ:MACK – Get Free Report) passed above its 200-day moving average during trading on Tuesday . The stock has a 200-day moving average of $12.55 and traded as high as $13.47. Merrimack Pharmaceuticals shares last traded at $13.44, with a volume of 29,917 shares traded. Analysts Set New Price Targets Separately, StockNews.com […]