Merck & Company Inc. Common Stock (new) (MRK) market history

Merck & Company Inc. Common Stock (new) (MRK) last session 2026-08-05 closed at $128.43 (-1.60%).

See what moved the market on any trading day in history. Open any trading session on the chart for the news and events behind the move. Informational only; not investment advice.

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