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MERCK & CO. INC. (MRK) Stock Stock Chart

USA - New York Stock Exchange - NYSE:MRK - US58933Y1055 - Common Stock

101.09 USD
+0.4 (+0.4%)
Last: 12/19/2025, 8:04:00 PM
101.05 USD
-0.04 (-0.04%)
After Hours: 12/19/2025, 8:04:00 PM
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MERCK & CO. INC. / MRK Daily stock chart