Merck & Co., Inc. (MRK)
NYSE: MRK · Real-Time Price · USD
81.51
-0.02 (-0.02%)
At close: Sep 19, 2025, 4:00 PM EDT
81.63
+0.12 (0.15%)
After-hours: Sep 19, 2025, 7:59 PM EDT
Source: Business metrics provided by Main Street Data and sourced from official company press releases and documents.