Lightning Round: Stay away from this group

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

FireEye: "I like FireEye, I like the whole segment. I love that Palo Alto but it got away from us. Fireeye seems like it's a sweet spot."

Rockwell Medical Inc: "Everyone keeps hyping the stock, but it's not moving. Don't buy, don't buy."

SunOpta Inc: "I used to like it, but Hain reporting next week. Could be a little bit lighter than I like, but don't forget Whole Food's has bottomed here. But only Hain because of currency, that's why."

Ally Financial: "No. We are shying away from the financials here with the 10-year at 1.67 percent."

Vector Group: "I like the tobacco stocks, I don't like the product. I like the stock, I think that's a great value."

Aon PLC: "We are shying away from the insurance companies right now. It's a little too much pressure again because of the yield curve. We are staying out of that group."

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Silicon Motion: "I need to do more work on it, because the semiconductor group is in such turmoil and yet that's at a high. I do like Skyworks Solutions, but that is not necessarily a similar situation and I like Cypress."

GW Pharmaceuticals: "Let's see what they have to say, they are reporting next week. Remember, I am in this for the long-term with the idea that this is a company that has a product that helps epileptics. And children epileptics, I'll do anything for them."

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