TheStreet's founder and Action Alerts PLUS Portfolio Manager Jim Cramer said Union Pacific (UNP) , which has exposure to Mexico, is positive on the current plans to modernize NAFTA.

Cramer spoke to Union Pacific CEO Lance Fritz on Tuesday's edition of CNBC's Mad Money. 

Cramer urges investors not to make trades based off of President Trump's tweets. 

Want exclusive investing insight from Jim Cramer? Get 24/7 access to Jim's charitable trust portfolio with a free trial to Action Alerts PLUS!

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