Lightning Round: It's the center of a blast zone

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

Five Prime Therapeutics: "These antibody therapeutic stocks have about a dozen of them right now. They are at the epicenter of the blast zone. So what we are going to do is we are going to say don't buy until all the weak hands get out."

Isis Pharmaceuticals: "As I said last week...Isis hit a 52-week high last week and I expected that it would probably go down. Then everyone was free to take their gains because I was tired of defending it. My take is this: It's going to go even lower because it's part of the highest multiple speculative biotechs, but it will be a stock that I will like very much as the velocity of the decline wanes."

Vonage Holdings Corp: "I think it is going to come under the category of speculative. For the next several weeks I expect speculative stocks will get hammered like they did last year at this time. Then we can come back to it, but I don't want you to buy it up on that spike."

Ryanair Holdings: "I was going to suggest Priceline, because Priceline has a big European business and that's another way to go. Ryanair is more of a pure play, and I like that concept."

Rovi Corporation: "Digital home entertainment. That's a tough one...I'm not a big believer in the digital home theory, other than Netflix and that is a cult stock that is going to come down a bit..Dish might be a better place to go."

Avon Products: "Stay away. They've cleared up some of the accounting issues, but I really don't want to touch it. It just got kicked out of the S&P and just doesn't have enough going for it."

United Rentals Inc: "I think that's a very interesting situation...I think URI is doing quite well, and I think that this is the sweet spot for it. If that stock takes a hit because of the market, that's a great place to be. The fact that it held up so well today, what does that tell you? Strength! I like strength in this kind of market."

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ConocoPhillips: "Conoco is right. It's got that good yield and oil has bottomed at $43, and I think you buy Conoco."

MeadWestvaco Corp: "That's a buy. I think that it is a sweet spot company."

Pfizer Inc: "I thought I would never say this, but Pfizer is an outright buy. It's a good place to be. Good yield, will make you a lot of moves. Smart, smart, smart and much smarter than it used to be."

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