Cramer's lightning round: I like Google over PubMatic

• It's that time again! "Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.

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Kulicke and Soffa Industries Inc: "They are a very well-run company, but I have to tell you, I like [KLA Corp] better, and my favorite [Lam Research Corp]. ... That's the one to buy."

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Prospect Capital Corp: "They have to open their books. ... So therefore, I'm gun shy."

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Aurinia Pharmaceuticals Inc: "You can have this as your [speculative stock]."

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PubMatic Inc: "They're good, but you've just got to stick with Google."

Disclosure: Cramer's Charitable Trust owns shares of Google-parent Alphabet.

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