Cramer: This airline is a smart buy right now

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:

Palo Alto Networks: "Bristol-Myers is a lot safer right here. You know this is a speculative stock and when the speculative stocks started getting hammered we said listen we have to expect these stocks to go lower. At this level I think Palo Alto represents better value but not great value. Remember, we don't care where a stock has come from we care where it is going to. It represents better value here."

United Continental Holdings: "I think that group can bounce. I was talking to Bruce Kamich who is the technical analyst at and we think the group is still not ready to go higher. I like Southwest much more than I like United."

Sirius XM Holdings: "I like it very much. I know it's linked right now to auto sales. A lot of people feel it's peak auto sales, I think there's more to it."

Puma Biotechnology: "This one did stumble. I think that it is so low that I think that it is OK as long as you recognize it is a total spec. A total spec.

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