The chart below shows the one year performance of MACK shares, versus its 200 day moving average. Looking at this chart, MACK's low point in its 52 week range is $3.81 per share, with $11.11 as the 52 week high point โ€” that compares with a last trade of $4.07.

Merrimack Pharmaceuticals Inc. Chart

In afternoon trading Monday, MACK was off about 6.9% on the day.


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