Lightning Round: This quietly goes higher

It's that time again! The Lightning Round bell has rung, and Jim Cramer gives his take on a few favorite audience stocks:

Idexx Laboratories: "We love those guys! it quietly goes higher and higher. You've got a winner there!"

World Wrestling Entertainment: "WWE is making a comeback, and yet I still don't see the business model generating the kind of cash that I like. So I am not there. I am going to be in the don't buy camp."

FireEye: "I like FireEye, I like Palo Alto Networks. What a blow out quarter from McLaughlin last night. And I like CyberArk as well as Fortinet. So let's call them the four horsemen."

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Discovery Communications: "Short-term I'm not a fan. Long-term I am a fan because I think they can run those programs over and over again. Every time I put it on it's the same one I've seen and I watch it again. That's my kind of business model."

KKR: "I'm sticking with it because there's a lot of value there and I like the yield. I think those guys are real good business people. I'm not backing away from KKR."

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