Why Pfizer Stock Is Rising Today While Moderna and Novavax Are Sliding

Why Pfizer Stock Is Rising Today While Moderna and Novavax Are Sliding

Shares of Pfizer (NYSE: PFE) were up 2.5% as of 11:35 a.m. ET on Friday after jumping as much as 4% earlier in the day. Meanwhile, the stocks of two other COVID-19 vaccine makers were declining. Moderna's (NASDAQ: MRNA) shares were down 4.7%.