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Merck on Tuesday revealed a lower-than-expected outlook for 2026 as the drugmaker aims to remake its business before its powerhouse cancer drug loses patent protection in a few years.
The stock
MRK was down 2.5% in premarket trading, after Merck said expects $65.5 billion and $67.0 billion in revenue for the year, which is slightly lower than the FactSet estimate of $67.4 billion. It had $65.0 billion in revenue in 2025. The stock had closed Monday at a 16-month high.