Pfizer Stock Today (PFE): mRNA Flu Breakthrough, $6B Metsera Bonds and a 7% Dividend – Nov. 21, 2025
Pfizer shares closed up just over 3% at $25.18 on Friday after positive Phase 3 mRNA flu vaccine results, then fell to $24.36 in after-hours trading. The company also completed a $6 billion bond sale to help fund its $10 billion Metsera obesity-drug deal. Pfizer stock remains down about 8% for the year, trailing large-cap pharma peers.