Merck & Co., Inc. (MRK) News Today $87.38 +0.98 (+1.13%) Closing price 03:59 PM EasternExtended Trading$87.71 +0.33 (+0.38%) As of 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock MRK Latest News All Sources Trusted Sources MarketBeat Barchart Benzinga Bloomberg GlobeNewswire GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent October 2025 September 2025 August 2025 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 Time Period Jamie Dimon Issues Harsh Stock Market Warning – 5 of JPMorgan's Safest Dividend StocksOctober 9 at 3:01 PM | 247wallst.comMerck to Present New Data from HIV Treatment and Prevention Pipeline at European AIDS Conference 2025October 9 at 9:31 AM | finance.yahoo.comMerck & Co., Inc. (NYSE:MRK) Given Hold (C-) Rating at Weiss RatingsOctober 9 at 8:12 AM | marketbeat.com5 Healthcare Plays Powering the Sector’s Big Comeback (MRK)After years of lagging, the healthcare sector is showing signs of a turnaround driven by lower rates, policy clarity, and renewed investor interest.October 9 at 8:03 AM | marketbeat.comBlair William & Co. IL Sells 68,932 Shares of Merck & Co., Inc. $MRKOctober 9 at 7:16 AM | marketbeat.comMerck & Co., Inc. $MRK Shares Bought by Mainstay Capital Management LLC ADVOctober 9 at 7:01 AM | marketbeat.comMerck Advances Oncology Innovation, Highlighting Progress in New Tumor Types and Earlier Stages of Disease at ESMO 2025October 9 at 6:45 AM | businesswire.comLive Oak Investment Partners Raises Stock Position in Merck & Co., Inc. $MRKOctober 9 at 6:41 AM | marketbeat.comLeo Wealth LLC Purchases 15,115 Shares of Merck & Co., Inc. $MRKOctober 9 at 6:31 AM | marketbeat.comUS Bancorp DE Sells 115,264 Shares of Merck & Co., Inc. $MRKOctober 9 at 6:12 AM | marketbeat.comInsight Inv LLC Reduces Stock Holdings in Merck & Co., Inc. $MRKOctober 9 at 6:12 AM | marketbeat.comArmstrong Fleming & Moore Inc Takes $628,000 Position in Merck & Co., Inc. $MRKOctober 9 at 6:01 AM | marketbeat.comTectonic Advisors LLC Buys 21,124 Shares of Merck & Co., Inc. $MRKOctober 9 at 5:51 AM | marketbeat.com5,920 Shares in Merck & Co., Inc. $MRK Bought by Allegiance Financial Group Advisory Services LLCOctober 9 at 5:50 AM | marketbeat.comValues Added Financial LLC Takes $248,000 Position in Merck & Co., Inc. $MRKOctober 9 at 5:33 AM | marketbeat.comMerck & Co., Inc. $MRK Shares Purchased by Maryland State Retirement & Pension SystemOctober 9 at 5:16 AM | marketbeat.comOptas LLC Has $817,000 Position in Merck & Co., Inc. $MRKOctober 9 at 5:15 AM | marketbeat.comCapital Management Associates Inc Purchases New Stake in Merck & Co., Inc. $MRKOctober 9 at 5:07 AM | marketbeat.comNarwhal Capital Management Sells 26,064 Shares of Merck & Co., Inc. $MRKOctober 9 at 4:46 AM | marketbeat.comSax Wealth Advisors LLC Raises Stock Position in Merck & Co., Inc. $MRKOctober 9 at 4:19 AM | marketbeat.comMERCK INVESTIGATION ALERT: Bragar Eagel & Squire, P.C. Continues Investigation into Merck & Co., Inc. on Behalf of Long-Term Stockholders and Encourages Investors to Contact the FirmOctober 8 at 2:59 PM | globenewswire.com4 Bank of America Strong Buy Growth 10 Stocks That All Pay DividendsOctober 8 at 7:17 AM | 247wallst.comCastle Rock Wealth Management LLC Buys Shares of 25,125 Merck & Co., Inc. $MRKOctober 8 at 7:08 AM | marketbeat.comGuild Investment Management Inc. Invests $3.18 Million in Merck & Co., Inc. $MRKOctober 8 at 6:56 AM | marketbeat.comSecured Retirement Advisors LLC Purchases Shares of 12,504 Merck & Co., Inc. $MRKOctober 8 at 6:05 AM | marketbeat.comMerck & Co., Inc. $MRK Shares Sold by Louisiana State Employees Retirement SystemOctober 8 at 5:40 AM | marketbeat.comMerck & Co., Inc. $MRK Shares Sold by Kingswood Wealth Advisors LLCOctober 8 at 4:51 AM | marketbeat.comWhy Merck & Co (MRK) Continues to Rank Among the Most Profitable Dividend StocksOctober 8 at 4:09 AM | msn.comShell Asset Management Co. Increases Stake in Merck & Co., Inc. $MRKOctober 7 at 7:40 AM | marketbeat.comGodsey & Gibb Inc. Buys 6,790 Shares of Merck & Co., Inc. $MRKOctober 7 at 7:29 AM | marketbeat.comMerck Completes Acquisition of Verona PharmaOctober 7 at 6:45 AM | businesswire.comCFM Wealth Partners LLC Has $828,000 Stock Holdings in Merck & Co., Inc. $MRKOctober 7 at 6:38 AM | marketbeat.comKLP Kapitalforvaltning AS Has $102.21 Million Stake in Merck & Co., Inc. $MRKOctober 7 at 6:29 AM | marketbeat.comRoberts Wealth Advisors LLC Has $5.10 Million Stock Holdings in Merck & Co., Inc. $MRKOctober 7 at 5:51 AM | marketbeat.comSeamount Financial Group Inc. Purchases Shares of 4,550 Merck & Co., Inc. $MRKOctober 7 at 5:41 AM | marketbeat.comMerck & Co., Inc. $MRK Stock Holdings Lifted by SteelPeak Wealth LLCOctober 7 at 5:33 AM | marketbeat.comPrime Capital Investment Advisors LLC Decreases Stock Position in Merck & Co., Inc. $MRKOctober 7 at 5:15 AM | marketbeat.comMerck & Co., Inc. $MRK Shares Acquired by Grimes & Company Inc.October 7 at 4:34 AM | marketbeat.comWealthcare Advisory Partners LLC Raises Stock Holdings in Merck & Co., Inc. $MRKOctober 7 at 4:14 AM | marketbeat.comVerona Pharma plc Receives High Court Approval for $10 Billion Acquisition by MSD, Effective October 7, 2025October 6 at 4:31 PM | quiverquant.comQComprehensive Financial Consultants Institutional Inc. Trims Stock Position in Merck & Co., Inc. $MRKOctober 6 at 6:57 AM | marketbeat.comMerck Expands Tulisokibart Clinical Development Program With Initiation of Phase 2b Trials in Three Additional Immune-Mediated Inflammatory DiseasesOctober 6 at 6:45 AM | businesswire.comFishman Jay A Ltd. MI Has $9.14 Million Stake in Merck & Co., Inc. $MRKOctober 6 at 5:58 AM | marketbeat.comMerck & Co., Inc. $MRK Shares Bought by Cullinan Associates Inc.October 6 at 5:48 AM | marketbeat.comMerck & Co., Inc. $MRK Stock Position Raised by Plimoth Trust Co. LLCOctober 6 at 5:22 AM | marketbeat.comWoodmont Investment Counsel LLC Has $14 Million Stock Holdings in Merck & Co., Inc. $MRKOctober 6 at 5:12 AM | marketbeat.comMerit Financial Group LLC Raises Holdings in Merck & Co., Inc. $MRKOctober 6 at 5:03 AM | marketbeat.comAscent Group LLC Sells 38,049 Shares of Merck & Co., Inc. $MRKOctober 6 at 4:09 AM | marketbeat.comThe Rotation To Value Is On – 5 October Surprise High-Yield PicksOctober 5, 2025 | 247wallst.comSimplicity Wealth LLC Buys 52,381 Shares of Merck & Co., Inc. $MRKOctober 5, 2025 | marketbeat.com Get Merck & Co., Inc. News Delivered to You Automatically Sign up to receive the latest news and ratings for MRK and its competitors with MarketBeat's FREE daily newsletter. 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Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. MRK News Sentiment▼1.480.77▲Average Medical News Sentiment MRK News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. MRK Articles This Week▼7870▲MRK Articles Average Week Get the Latest News and Ratings for MRK and Related Stocks Enter your email address to receive the latest news and analysts' ratings for Merck & Co., Inc. and its competitors. 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