Pfizer Stock: How Pfizer’s Nearly $7 Billion Takeover Of Arena Just Paid Off

Pfizer‘s (PFE) nearly $7 billion takeover of Arena Pharmaceuticals looked prescient Tuesday after the company reported promising results for an ulcerative colitis treatment. But Pfizer stock gained just a fraction.




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The two final-phase studies of etrasimod are the first to read out after Pfizer closed its Arena buyout in March. After 12 weeks of taking etrasimod, 27% of patients with moderately to severely active ulcerative colitis entered remission. That compares with just 7.4% of…

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