This was the stock's third consecutive day of losses.

This was the stock's third consecutive day of losses.

Pfizer PFE is one of the biggest players in the oncology space — a position it strengthened with the 2023 acquisition of Seagen. The deal added four antibody-drug conjugates (ADC) — Adcetris, Padcev, ...

In an exclusive interview, Sally Susman, a pioneer in corporate comms, recounts finding out that Pfizer's COVID-19 vaccine ...