CNBC's Jim Cramer is warning stock investors not to go against President Donald Trump on his Iran war messaging. Cramer said he felt "emboldened" by Monday's stock market rally on Trump's comments about "productive conversations" with Iran aimed at ending the war. In recent weeks, Wall Street has been weighed down by the escalating Middle East conflict. "I do feel the president is on your side if you are a buyer," Cramer said Tuesday on " Squawk on the Street ." "I'm kind of inclined to do some buying now because I feel like we have a 'Trump put.'" A "Trump put" refers to the president's tendency to tweak policies during times of stock market turmoil, in what's given rise to the so-called TACO trade, short for Trump always chickens out . The term "put" borrows from the spirit of a type of options contract used to protect against downside risk. The S & P 500 closed up 1.15% Monday, but at its highs of the day it had been up over 2%. "The bears did come back in the second half of the session, even though [bond yields] went down in the second half of the session. It was a very strange combination," Cramer said. Acknowledging Tuesday's lack of follow-through buying, Cramer stressed, "If you decide to sell the market, I think you run into [Trump]. You run into his buzzsaw. I am not going to run into his buzzsaw." "It's very hard not to be constructive [on the market] when he's constructive," concluded Cramer, who runs the CNBC Investing Club. Earlier Tuesday, the Club put some money to work .