Smith & Nephew stock gains on Cevian stake (NYSE:SNN)

Smith + Nephew sign on its office building in Austin, Texas, USA.

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Smith & Nephew (NYSE:SNN) ADRs traded higher premarket Friday after the U.K.-based medical device maker disclosed an ownership stake from Swedish activist investor Cevian Capital.

In a regulatory filing on Thursday, Smith & Nephew (SNN) said Cevian held