Pfizer shares jump premarket as earnings beat estimates and company raises guidance

Pfizer Inc. shares PFE, +3.67% rose 3.3% in premarket trade Tuesday, after the drug company beat earnings estimates for the third quarter and raised its profit guidance. New York-based Pfizer said it had net income of $7.680 billion, or $1.36 a share, in the quarter, up from $4.114 billion, or 69 cents a share, in the year-earlier period.