Lightning Round: Be worried about this stock

It's that time again! Jim Cramer rang the lightning round bell, which means he gave his take on caller favorite stocks at rapid speed:

Radian Group: "No. If I'm going to play housing, I'm going to play it now with Lennar. We had a fabulous move with Radian, but now we're back on Lennar."

Lannett: "I've got to tell you, I think you've got to be worried about that one. Buy it Friday if you really want to."

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StoneMor Partners: "You mean the cemetery company. It's a pretty good business. What can I say?"

Enbridge Energy Partners: "I'm not recommending fossil fuels right now. We just had a nice move in the oil stocks. Let's not push our luck."

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