Pfizer to Acquire Arena Pharmaceuticals in a $6.7B Deal
Pfizer Inc. (NYSE: PFE) today announced that it has entered into a definitive agreement to acquire Arena Pharmaceuticals Inc. (NASDAQ: ARNA). Surged 86% Shares of Arena Pharmaceuticals Inc. (NASDAQ: ARNA) surged over 86% in premarket trading, as shares of Pfizer...