Cramer's lightning round: 'Brooks Automation is a good company'

• 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.

Sunrun: "No. We're using Generac ... because the grid is awful."

AT&T: "My late nana, Mary, always said, 'if you don't have anything good to say about it, then don't say anything.'"

Vizio: "I like Vizio. Consumer electronics is good ... I will continue to praise Best Buy until people realize I am serious. [CEO] Corie Barry is real and she's welcome on the show. Corie Barry is welcome on the show."

Alibaba: "Alibaba is a tremendous company, but ... it's kind of a capitalist company in a communist country ... I'd stay away."

IRobot: "I'm going to pass on it. It's got a big short position. Maybe the meme guys go all over it. I'm not there."

23andMe: "They seem to shy away from being actually being a health-care company."

NRX Pharmaceuticals: "That was a giant pump and dump ... let's stay away from that."

Brooks Automation: "Brooks Automation is a good company. It's a real good company. I never understood why they're still independent. I would have bought them if I was a bigger fish in that business, but I'm not in that business."

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