By WSJ Staff

Masimo shares rocketed after biotech conglomerate Danaher struck a deal to acquire the medical-device maker for almost $10 billion.

-- Masimo shares $(MASI)$ surged by roughly one-third Tuesday morning.

-- If the stock holds gains through the session, that puts it on pace for its biggest one-day percentage rise on record, according to Dow Jones Market Data going back to mid-2007.

-- Danaher shares $(DHR)$ dropped roughly 3.5%.

-- Danaher said it will pay $180 per share in cash for Masimo, a nearly 40% premium to where the stock closed Friday.

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(END) Dow Jones Newswires

February 17, 2026 10:14 ET (15:14 GMT)

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