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

Oasis Petroleum: "Even down here I still think you are playing with fire there. No thank you."

Union Pacific Corp: "Union Pacific is a good buy because it is down a lot and terrific. Leg into it!"

Athenahealth Inc: "This is a high-risk stock and it's been plagued by people banging it in and out. I'm going to say right now, don't buy. It's too high-risk for me."

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Sherwin-Williams: "I like Sherwin Williams, but I like PPG more. With PPG you get the paint, but you also get Chuck Bunch and some fabulous materials that his company has created."

Yahoo: "Here's the way to look at Yahoo: If you look at Yahoo ex-Alibaba, then I think it's a very cheap stock. I say buy, buy, buy right here and right now."

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