Cramer’s Lightning Round: KKR is ‘the foremost’

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

KKR: "KKR is the foremost, the other one that I would recommend is Blackstone."

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Ferguson: "I think Ferguson's a very, very good company, but if you want HVAC...then you got to own Trane...Or you have to own Carrier. And people don't want to own Ferguson."

Petroleo Brasileiro: "I will pay no amount for PBR."

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Alliance Resource Partners: "It's had a very big run, ok. And I've got to tell you, it is coal-based. I know the yield looks great — I think you're peaking on a coal cycle here, I'm not going to get in front of a peak of a coal cycle."

Alibaba: "I think you're going to have to hold it here."