KEY POINTS
  • Vaccine optimism has Wall Street believing the worst of the coronavirus pandemic in the U.S. could by over in the second quarter of 2021, CNBC's Jim Cramer said.
  • "The market is very prescient," he said.
  • "You've got to go buy the airline stocks. Now we know why the cruise lines are going up," he said.

CNBC's Jim Cramer said Tuesday that Wall Street is gaining confidence in the potential rollout of a coronavirus vaccine in the U.S., suggesting investors believe the serious challenges caused by the pandemic could soon be behind the country.

"The market is very prescient. I think the market has been going up because we're starting to realize this may be — for all intents and purposes in America, not in the rest of the world — over in the second quarter of 2021," Cramer said on "Squawk on the Street."