(Story updated with Cogent's recommendation to shareholders and premarket trading)NEW YORK ( TheStreet) -- 3M ( MMM) said Monday it agreed to acquire Cogent ( COGT ) for $10.50 a share, or $943 million. 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 >To contact the writer of this article, click here: Joseph Woelfel . >To submit a news tip, send an email to: email@example.com.