Merck Narrows Sales Outlook as AstraZeneca Deal, Tariff Relief Offset Costs

Group 1 - Merck & Co. has tightened its full-year revenue forecast to between $64.5 billion and $65 billion, up from a previous range of $64.3 billion to $65.3 billion [1] - Adjusted earnings per share are now expected to be between $8.93 and $8.98, an increase from the prior guidance of $8.87 to $8.97 [1] - The updated outlook reflects benefits from changes to the AstraZeneca collaboration, which eliminated a previous revenue- and cost-sharing arrangement [2] Group 2 - The company noted a reduction in tariff-related expenses due to President Trump's import tariff reforms and a more favorable tax rate outlook, partially offset by costs associated with the Verona acquisition [2] - Merck's acquisition of Verona Pharma, valued at approximately $10 billion, aims to expand its respiratory treatment portfolio and reduce reliance on the cancer drug Keytruda, whose patents are set to expire in 2028 [3] - In Q3, Merck reported a 3.7% year-over-year revenue increase to $17.28 billion, exceeding Bloomberg's consensus estimate, driven by growth in Keytruda sales despite weaker demand for the HPV vaccine Gardasil in China [3]