Provention Bio Stock Soars on $2.9 Billion Acquisition by Sanofi


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Shares of Provention Bio soared Monday after the biopharmaceutical company agreed to be acquired by France’s Sanofi (SNY) for $25 a share, or about $2.9 billion.

Provention Bio (ticker: PRVB), which focuses on autoimmune diseases, jumped 260% to $24.14 in premarket trading Monday. The stock closed Friday at $6.70. American depositary receipts of Sanofi fell 0.3%.