KEY POINTS
  • Barclays also raises its price target on Merck by $2 to $64 a share, a more than 17 percent increase from Wednesday's close.
  • "In our view, there is perhaps 15 to 20 percent of first-line lung market share 'up for grabs' in the U.S.," Barclays says.
  • The firm lowers its price target on Pfizer by $3 to $38, still more than 5 percent above Wednesday's close.
A research lab at Merck

Barclays upgraded Merck to overweight from equal weight on better opportunities versus its competition.

It also downgraded Pfizer to equal weight from overweight, citing a less likely chance of a "transformative" acquisition.