Cramer's lightning round: Big Lots is a buy

• 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.

JetBlue Airways: "I want you to own it, and if it went down to even $2 I would buy more."

Big Lots: "Big Lots is not as bad as it used to be, which in this market is high praise. It's a buy."

Jumia Technologies: "I'm not a fan."

MP Materials: "This stock is going down, along with all the specs. ... We need more information."

Neogenomics: "I like Neogenomics."

Old Republic International: "It is a great company ... You've got a keeper there, my friend."

Vistra: "You are so close to American Electric Power, and you come to me with Vistra Corp? You're going with AEP."

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