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Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare NYSE:MRK NASDAQ:SMMT On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeMRKMerck & Co., Inc.$118.49-1.2%$116.31$75.40▼$125.14$292.66B0.1810.90 million shs16.60 million shsSMMTSummit Therapeutics$17.54+0.7%$19.06$13.83▼$30.98$13.61B-1.253.35 million shs7.21 million shs10 Stocks Powering The Next AI Boom The AI boom is creating opportunities across semiconductors, cloud computing, enterprise software, infrastructure, cybersecurity, and automation. Inside this report, you’ll find 10 companies positioned to benefit as artificial intelligence moves from hype to real-world deployment and becomes a core growth driver for corporate America.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceMRKMerck & Co., Inc.-0.33%+3.46%+8.85%-2.90%+57.37%SMMTSummit Therapeutics+0.29%-0.34%-18.11%+4.94%-33.14%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeMRKMerck & Co., Inc.$118.49-1.2%$116.31$75.40▼$125.14$292.66B0.1810.90 million shs16.60 million shsSMMTSummit Therapeutics$17.54+0.7%$19.06$13.83▼$30.98$13.61B-1.253.35 million shs7.21 million shs10 Stocks Powering The Next AI Boom The AI boom is creating opportunities across semiconductors, cloud computing, enterprise software, infrastructure, cybersecurity, and automation. Inside this report, you’ll find 10 companies positioned to benefit as artificial intelligence moves from hype to real-world deployment and becomes a core growth driver for corporate America.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceMRKMerck & Co., Inc.-0.33%+3.46%+8.85%-2.90%+57.37%SMMTSummit Therapeutics+0.29%-0.34%-18.11%+4.94%-33.14%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceMRKMerck & Co., Inc. 2.68Moderate Buy$128.188.17% UpsideSMMTSummit Therapeutics 2.35Hold$26.0548.54% UpsideCurrent Analyst Ratings BreakdownLatest SMMT and MRK Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/22/2026SMMTSummit Therapeutics Cantor FitzgeraldSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingOverweight5/22/2026SMMTSummit Therapeutics HC WainwrightSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeBuy ➝ Neutral5/21/2026SMMTSummit Therapeutics Sanford C. BernsteinSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoverageUnderperform$7.705/21/2026SMMTSummit Therapeutics Sanford C. BernsteinSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeStrong Sell5/15/2026MRKMerck & Co., Inc. Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeHold (C+) ➝ Hold (C)5/6/2026MRKMerck & Co., Inc. CitigroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoverageNeutral$125.005/4/2026SMMTSummit Therapeutics HC WainwrightSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetBuy$30.00 ➝ $23.005/1/2026MRKMerck & Co., Inc. Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingHold (C+)5/1/2026SMMTSummit Therapeutics Piper SandlerSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetNeutral$17.00 ➝ $16.005/1/2026MRKMerck & Co., Inc. Wells Fargo & CompanySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetOverweight$150.00 ➝ $145.004/21/2026SMMTSummit Therapeutics Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingSell (D-)(Data available from 5/29/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookMRKMerck & Co., Inc.$65.01B4.50$11.25 per share10.53$18.60 per share6.37SMMTSummit TherapeuticsN/AN/AN/AN/A$0.70 per shareN/ACompare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateMRKMerck & Co., Inc.$18.25B$3.5533.3812.122.7113.59%27.55%10.73%8/4/2026 (Estimated)SMMTSummit Therapeutics-$1.08B-$1.60N/AN/AN/AN/A-291.24%-243.07%8/10/2026 (Estimated)Latest SMMT and MRK EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails4/30/2026Q1 2026MRKMerck & Co., Inc.-$1.47-$1.28+$0.19-$1.72$15.85 billion$16.29 billion4/30/2026Q1 2026SMMTSummit Therapeutics-$0.2692-$0.24+$0.0292-$0.24$0.05 millionN/ACompare DividendsCompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive GrowthMRKMerck & Co., Inc.$3.402.87%+5.75%95.77%14 YearsSMMTSummit TherapeuticsN/AN/AN/AN/AN/ALatest SMMT and MRK DividendsAnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date5/26/2026MRKMerck & Co., Inc.quarterly$0.852.84%6/15/20266/15/20267/8/2026(Data available from 1/1/2013 forward)Compare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioMRKMerck & Co., Inc.1.021.301.06SMMTSummit TherapeuticsN/A7.417.41Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipMRKMerck & Co., Inc.76.07%SMMTSummit Therapeutics4.61%Insider OwnershipCompanyInsider OwnershipMRKMerck & Co., Inc.0.17%SMMTSummit Therapeutics83.50%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableMRKMerck & Co., Inc.75,0002.47 billion2.47 billionOptionableSMMTSummit Therapeutics110776.16 million128.07 millionOptionableSMMT and MRK HeadlinesRecent News About These CompaniesSummit Therapeutics (NASDAQ:SMMT) Shares Gap Down - Here's What HappenedMay 24, 2026 | americanbankingnews.comSummit downgraded at H.C. Wainwright after Merck data for sac-TMTMay 23, 2026 | seekingalpha.comBernstein initiates coverage of Summit Therapeutics (SMMT) with underperform recommendationMay 23, 2026 | msn.comHere's Why You Should Add SMMT Stock to Your Portfolio NowMay 22, 2026 | zacks.comSummit Therapeutics PLC (NASDAQ:SMMT) Receives Consensus Rating of "Moderate Buy" from AnalystsMay 20, 2026 | americanbankingnews.comCancer Stocks That Are Advancing the Future of Oncology CareMay 18, 2026 | zacks.comSummit Therapeutics (NASDAQ:SMMT) Lowered to "Sell" Rating by Wall Street ZenMay 18, 2026 | americanbankingnews.comSummit Therapeutics PLC $SMMT Stock Holdings Decreased by Vanguard Group Inc.May 11, 2026 | marketbeat.comSummit Therapeutics (NASDAQ:SMMT) Upgraded at Wall Street ZenMay 10, 2026 | marketbeat.comQ2 EPS Estimate for Summit Therapeutics Boosted by AnalystMay 8, 2026 | marketbeat.comQ2 Earnings Forecast for SMMT Issued By HC WainwrightMay 7, 2026 | marketbeat.comSMMT Q1 Loss Narrower Than Expected, Stock Down on Ivonescimab SetbackMay 4, 2026 | zacks.comSummit Therapeutics: More Uncertainty Heading Into The ASCO PlenaryMay 4, 2026 | seekingalpha.comBuy These 3 Clinical-Stage Biotechs Under $30 With Solid Cash RunwaysMay 4, 2026 | 247wallst.comSummit Therapeutics Inc. Shareholders Are Encouraged to Reach Out to Johnson Fistel for More Information About Potentially Recovering Their LossesMay 4, 2026 | globenewswire.comHC Wainwright Issues Pessimistic Forecast for Summit Therapeutics (NASDAQ:SMMT) Stock PriceMay 4, 2026 | marketbeat.comAnalysts Offer Insights on Healthcare Companies: Adagene (ADAG) and Summit Therapeutics (SMMT)May 3, 2026 | theglobeandmail.comSummit Therapeutics (SMMT) Receives a Rating Update from a Top AnalystMay 3, 2026 | theglobeandmail.comSMMT stock plunges on wider Q1 loss, lung cancer clinical trial updateMay 2, 2026 | msn.comSummit Therapeutics (NASDAQ:SMMT) Issues Earnings ResultsMay 2, 2026 | marketbeat.comSummit Therapeutics (NASDAQ:SMMT) Raised to "Sell" at Wall Street ZenMay 2, 2026 | marketbeat.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeSMMT and MRK Company DescriptionsMerck & Co., Inc. NYSE:MRK$118.49 -1.40 (-1.17%) Closing price 03:59 PM EasternExtended Trading$118.84 +0.34 (+0.29%) As of 07:22 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 Massive. Learn more.Merck & Co., Inc. is a health care company, which engages in the provision of health solutions through its prescription medicines, vaccines, biologic therapies, animal health, and consumer care products. It operates through the following segments: Pharmaceutical, Animal Health, and Other. The Pharmaceutical segment includes human health pharmaceutical and vaccine products. The Animal Health segment discovers, develops, manufactures, and markets animal health products, such as pharmaceutical and vaccine products, for the prevention, treatment and control of disease in livestock, and companion animal species. The Other segment consists of sales for the non-reportable segments of healthcare services. The company was founded in 1891 and is headquartered in Rahway, NJ.Summit Therapeutics NASDAQ:SMMT$17.54 +0.13 (+0.75%) Closing price 04:00 PM EasternExtended Trading$17.70 +0.16 (+0.91%) As of 07:21 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 Massive. Learn more.Summit Therapeutics Inc., a biopharmaceutical company, focuses on discovery, development, and commercialization of patient, physician, caregiver, and societal friendly medicinal therapies in the United States, and the United Kingdom. The company's lead development candidate is Ivonescimab, a bispecific antibody for immunotherapy through blockade of PD-1 with the anti-angiogenesis; and anti-infectives portfolio includes SMT-738, a novel class of precision antibiotics for the treatment of multidrug resistant infections, which primarily includes carbapenem-resistant Enterobacteriaceae infections. It has a collaboration and license agreement with Akeso, Inc. and its affiliates to develop and commercialize ivonescimab, as well as strategic collaboration with The University of Texas MD Anderson Cancer Center for the purpose of accelerating the development of ivonescimab. The company was founded in 2003 and is headquartered in Miami, Florida. 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