(Story updated with Cogent's recommendation to shareholders and premarket trading)
Cogent shares closed Friday at $8.91.
Cogent's board unanimously recommended that the shareholders of Cogent accept the offer.Cogent shares surged by 18.9% to $10.60 in premarket trading, while 3M shares fell 0.3% to $80.80. Cogent provides finger, palm, face and iris biometric systems for governments, law enforcement agencies, and commercial enterprises. -- Written by Joseph Woelfel
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