Cramer's Lightning Round: Vertex is 'excellent'

• 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.

Topgolf's year-to-date stock performance.

Topgolf: "The company is making money, and I think it's a great experiential situation, but I have been wrong."

Sabre's year-to-date stock performance.

Sabre: "I think BKNG is the stock that you want to be in, not SABR."

BlackBerry's year-to-date stock performance.

BlackBerry: "It's almost like they're arranging the deck chairs on the Titanic...I'm not going there, I'm not a believer, I haven't been a believer for, uh, ten points, I'm not changing."

Under Armour's year-to-date stock performance.

Under Armour: "We got to see something, we got to see a good quarter. We have to see something that tells me that Stephanie Linnartz is doing a good job...I don't have enough data to make me say buy it."

Shopify's year-to-date stock performance.

Shopify: "Don't buy more, because I think you've got a good position, I think we have to wait for it to come down to buy more...It's one of the few winners in this market where we had a lot of losers, but don't buy any more right now."

Vertex's year-to-date stock performance.

Vertex: "Vertex is excellent...That is an amazing company."

Kyndryl's year-to-date stock performance.

Kyndryl: "Kyndryl is doing quite well, that last quarter was good, I think we're going to get rid of the overhang, start seeing some great numbers...Martin Schroeter is doing a great job, so I think you've got a winner."

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