This article was automatically generated by MarketWatch using technology from Automated Insights.
Shares of Merck &amp; Co. Inc. (MRK) slipped 1.79% to $111.38 Friday, on what proved to be an all-around dismal trading session for the stock market, with the S&amp;P 500 Index falling 1.24% to 7,408.50 and Dow Jones Industrial Average falling 1.07% to 49,526.17.
This was the stock's second consecutive day of losses.
Merck &amp; Co. Inc. closed 11.00% 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 Friday, as Johnson &amp; Johnson (JNJ) fell 1.77% to $226.71, Pfizer Inc. (PFE) fell 1.63% to $25.33, and Eli Lilly &amp; Co. (LLY) fell 0.00% to $1,004.92.
Trading volume (9.8 M) eclipsed its 50-day average volume of 9.5 M.
Data source: Dow Jones Market Data, FactSet. Data compiled May 15, 2026.
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(END) Dow Jones Newswires
05-15-26 1633ET

Merck & Co. Inc. (MRK) shares fell 1.79% to $111.38 on Friday, marking its second consecutive day of losses. The stock is 11.00% below its 52-week high of $125.14. In comparison, competitors like Johnson & Johnson, Pfizer, and Eli Lilly also experienced declines, but Merck underperformed relative to them. The trading volume was 9.8 million, slightly above its 50-day average of 9.5 million.

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