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:

Array Biopharma: "The last program that they had was not up to snuff, which is why the stock came down. But they have others. I will sanction it only as a pure spec and not adjust the spec."

Groupon: "We are not fans of Groupon. It is too early to buy Groupon. There are still a lot of things that are not working there."

Motorola Solutions: "I would take it. Let's move on."

Bed Bath & Beyond: "I have to tell you, I think there are better retailers out there to buy. In particular I would say TJX is better. They just put up a good quarter."

SunEdison: "We did a large piece on why we recommended it, and we should have pulled it, and we didn't. I have to tell you, I don't think it's a great stock here. A lot of things have to go right. I would sell it into strength."

EOG Resources: "My charitable trust owns it, we have a long-term time horizon and think it's terrific."

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Williams Partners: "I think it's terrific. I know that there are cross-currents here and arbitrage, but I do think it's great. I think that the yield is for real."

Natus Medical: "We like that device company. I took a hard look at it and it's a good situation."

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