Cramer's lightning round: I'm never going to go against Warren Buffett

• 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.

Baxter International: "Bad quarter, [I] like the company though and as it's come down I think it's a buy. I was surprised how weak the quarter was, though."

Parsons Corp.: "Cybersecurity. I like. Proofpoint's a little better, but I think you've got a good one there."

Aimmune Therapeutics: "I'm not saying this is a what-have-you-done-for-me-lately business, but that was their thing and then when you get something like that and they get the [FDA] approval they almost always sell-off."

Berkshire Hathaway: "It's been a — I hate to say it — but it's been a bit of an under performer, but I'm never going to go against Warren."

Macquarie Infrastructure: "I do think that Macquarie's a good company. When I see that yield it does worry me, but I know it's a very well-run business."

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