Volume Alert - MACK 6.15 Merrimack Pharmaceut $MACK Hit a

Volume Alert - MACK 6.15 Merrimack Pharmaceut $MACK Hit a high today of 643.60 Closing the day 10:30 at 6.15 -0.09 -1.44% With a day low of 6.14 and a total volume of 1,053,270.