Pfizer-BioNTech's COVID-19 Vaccine Giving 70% Protection Against Omicron, South Africa's Private Health Insurer Says

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Pfizer (PFE) Announces FDA Approval of XELJANZ for the Treatment of Active Ankylosing Spondylitis

December 14, 2021 4:08 PM EST

Pfizer Inc. (NYSE: PFE) announced today that the U.S. Food and Drug Administration (FDA) has approved the supplemental New Drug Application (sNDA) for XELJANZ® / XELJANZ® XR (tofacitinib) for the treatment of adults with active ankylosing spondylitis (AS) who have had an inadequate... More

UBS Upgrades Pfizer (PFE) to Buy, Downgrades Merck (MRK) to Neutral

December 13, 2021 9:51 AM EST

UBS analyst Colin Bristow downgraded shares of Merck to Neutral (NYSE: MRK) on the lack of evident catalysts and the lack of visibility around key growth drivers.

The analyst also lowered the price target to $76.00 per share from the prior $98.00 as two key growth drivers - islatravir for HIV, molnupiravir for COVID - facilitated negative updates recentl

molnup's hospitalization/death relative risk reduction dropped from 48% (at interim) to ~30% (all evaluable patients) and... More

Pfizer (PFE) to Buy Arena Pharmaceuticals (ARNA) in a $6.7 Billion Deal, Pays a 100% Premium; Seen as the First of Many Acquisitions

December 13, 2021 6:41 AM EST

Pfizer (NYSE: PFE) shares are up 2% in pre-open Monday after the company announced a deal to buy Arena Pharmaceuticals (Nasdaq: ARNA) in a $6.7 billion deal.

Pfizer will pay $100 per share in an all-cash transaction, which is a 100% premium compared to Fridays closing price of $49.94 per share.

Arena is a clinical-stage... More