Lightning Round: Too much competition in this

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

Achillon Pharmaceuticals: "In the Hep C market, we have learned that there is just too much competition right now with Gilead and AbbVie and I don't think anyone is going to buy that company. if they do, it won't be at a huge premium I believe."

Celladon Corp: "A pretty good spec. A lot of different compounds, but I'm willing to go for it. I know it hit a 52-week high so you've got to be careful."

Sirius XM Holdings: "I have like it for a long time, and I have continued to like it. It's a play on cars, and I think it's doing a pretty good job in the last quarter."

E L Du Pont: "My opinion on this company is that it's too high if Nelson Peltz isn't successful. And if he is successful it can go higher. It really is kind of a Peltz play right now. I do not think that Peltz will win because the stock has moved too much, but I think that what Nelson is doing is trying to get things to be as good as possible at Dupont. I think they should put him on the board."

King Digital: "They've got new games, and it's an interesting play. But if it's gaming I'm always going to go to Take-Two Interactive."

Virgin America: "Virgin is okay, but remember the pecking order. We like Southwest because it never lost money. We like Spirit Air then we like American. Those are our triad."

Read more from Mad Money with Jim Cramer
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Whole Foods Market: "Whole Foods is good, it's really starting to gain strength again. I really like it, they're doing a lot right and I like this level to buy Whole Foods."

Centene: "You're stock is at a 52-week high. I wish I were that stock! It's a great stock."

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