Do These 5 Words From Pfizer Mean Trouble for Novavax?

Do These 5 Words From Pfizer Mean Trouble for Novavax?

Source: 
Motley Fool
snippet: 
  • Pfizer, Moderna, and Novavax each are vying for a share of the vaccine market this fall.
  • Big pharma company Pfizer recently updated its financial guidance for the year.