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Merck & Co Inc (NYSE:MRK)

Friday’s trading has closed, but MRK is being traded in the after-hours session. After-Hours quote »
51.59
Delayed Data
As of 4:01pm ET
 -1.06 / -2.01%
Today’s Change
45.69
Today|||52-Week Range
63.62
-9.16%
Year-to-Date