06:27 AM EST, 11/11/2026 (MT Newswires) -- Moody's affirmed the long-term issuer rating of Merck KGaA (MRK.F) at A3, with a stable outlook, according to a Wednesday note. The rating agency attributed the affirmation to the "solid" operating performance across the German science and technology company's three business sectors. The action also factored in underlying technological shifts and economic cycles, growing competition, a weak late-stage pipeline, and lower free cash flow generation. Meanwhile, the stable outlook on the rating reflects Moody's expectations of continuous organic growth for the company over the next 12 to 18 months.

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