Cramer's lightning round: EMCOR Group is my kind of stock

• 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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Moderna Inc: "I think you should buy more."

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Okta Inc: "[CEO Todd McKinnon has] got to pivot first. We mean pivot, going from loss and high growth to a little less growth and profit."

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EMCOR Group Inc: "That's my kind of stock. ... That's exactly what I'm looking for."

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Hess Corp: "I would actually rather see you in Chevron."

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AllianceBernstein Holding LP: "I think you possibly have a winner. Please don't buy all at once, though."

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STMicroelectronics NV: "I think it's peaked already."

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