Cramer says Rocket Companies is a "play" on the idea that new Fed Chair Kevin Warsh will cut interest rates, and that's a long shot.

"Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.

Cramer says Rocket Companies is a "play" on the idea that new Fed Chair Kevin Warsh will cut interest rates, and that's a long shot.