KEY POINTS
  • "I'm an optimist going forward," CNBC's Jim Cramer said after Congress approved coronavirus stimulus.
  • The "Mad Money" host said the relief package should help the economy and markets while the country awaits widely available Covid-19 vaccines.
  • "I just don't buy the negativity here," he said.

CNBC's Jim Cramer said Tuesday he believes investors should be optimistic about the U.S. economic recovery in the months leading up to a widely available Covid-19 vaccine.

"I just don't buy the negativity here" in the stock market, Cramer said on "Squawk Box," pointing to the potential benefits from the $900 billion coronavirus stimulus package approved late Monday by Congress.