Benzinga’s Top Pre-Market NASDAQ Gainers (COGT, GENZ, IMGN, COCO)

Cogent Inc COGT rose 18.90% to $10.60 in the pre-market session. 3M Co MMM has agreed to purchase COGT for more than $900 million or $10.50 per share, representing an 18% premium to COGT’s closing price on Friday. Genzyme Corporation GENZ added 4.26% to $70.50 in pre-market trading. The board of GENZ had rejected an $18.5 billion offer from Sanofi-Aventis SA SNY. ImmunoGen Inc IMGN moved up 2.71% to $5.30 in pre-market trading. IMGN had $110.30 million in total cash and no debt for the latest quarter. Corinthian Colleges Inc COCO gained 1.67% to $4.88 in the pre-market session. COCO’s shares have lost 74.88% over the past 52 weeks, while the S&P 500 index has gained 3.47% in the same period. Read more from Benzinga's Company news.