This article was automatically generated by MarketWatch using technology from Automated Insights.
Shares of Merck &amp; Co. Inc. (MRK) slipped 1.09% to $113.00 Wednesday, on what proved to be an all-around great trading session for the stock market, with the S&amp;P 500 Index rising 1.08% to 7,432.97 and the Dow Jones Industrial Average rising 1.31% to 50,009.35.
The stock's fall snapped a two-day winning streak.
Merck &amp; Co. Inc. closed 9.70% short of its 52-week high of $125.14, which the company reached on February 25th.
The stock underperformed when compared to some of its competitors Wednesday, as Johnson &amp; Johnson (JNJ) fell 0.30% to $229.32, Pfizer Inc. (PFE) rose 0.51% to $25.79, and Eli Lilly &amp; Co. (LLY) fell 0.25% to $1,018.87.
Trading volume (9.0 M) remained 290,719 below its 50-day average volume of 9.3 M.
Data source: Dow Jones Market Data, FactSet. Data compiled May 20, 2026.
This content was created by MarketWatch, which is operated by Dow Jones &amp; Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.
(END) Dow Jones Newswires
05-20-26 1633ET

Merck & Co. Inc. (MRK) shares fell 1.09% to $113.00 on Wednesday, underperforming against competitors as the S&P 500 rose 1.08%. This decline ended a two-day winning streak, leaving the stock 9.70% below its 52-week high of $125.14. Trading volume was 9.0 million, slightly below the 50-day average of 9.3 million.

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Merck & Co. Inc. Stock Underperforms Wednesday When Compared To Competitors