Which banks should you go long on if President Trump makes good on his pledged tax cuts? TheStreet columnist Stephen "Sarge" Guilfoyle breaks it all down in a conversation with Jim Cramer, Peter Tchir, Douglas Borthwick and David Yoe Williams.

Guilfoyle is the founder and president of Sarge986 LLC, a family run trading operation. A New York Stock Exchange floor trader for over 30 years, he previously served as chief market economist for Stuart Frankel & Co., U.S. economist for Meridian Equity Partners and as a vice president in block trading and investment banking with Credit Suisse. Guilfoyle earned his nickname by serving as an actual sergeant in reserve components of the U.S. Marine Corps and U.S. Army while simultaneously working on Wall Street.