Pfizer stock slips as CEO likens obesity drugs to Viagra; Metsera trials and Feb. 3 earnings in focus
New York, Jan 13, 2026, 15:07 EST — Regular session. Pfizer shares dipped 0.6% to $25.12 by mid-afternoon Tuesday, continuing a volatile stretch for the drugmaker as investors digested its recent comments on obesity treatments. The stock fluctuated between $24.98 and $25.42 during the session. The selling comes as CEO Albert Bourla pushes to sharpen Pfizer’s post-COVID growth narrative and justify its spending on new drugs. At Monday’s J.P. Morgan Healthcare Conference, Bourla likened the potential consumer demand for obesity meds to the early surge in Viagra sales and admitted Pfizer underestimated how quickly the “cash-pay” market—patients paying out of