Cramer's lightning round: United Microelectronics is a good idea

• 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.

United Microelectronics: "This is exactly the sweet spot. We need these kinds of integrated circuits, that's in short supply. ... I like your idea. There is a shortage and they are a part of the answer, not the problem."

Enterprise Products Partners: "EPD's probably the best one. I stopped recommending these because I really feel like that they've hurt so many people, but if you want one ... then Enterprise Product Partners with a 7% yield is probably the best."

Magellan Midstream Partners: "I have cooled on this group."

GlaxoSmithKline: "Glaxo has been a big disappointment. ... I have just been wrong and I'm struggling, but I would say do not sell it with a 7% yield down here, but I have been wrong and I have to own that."

Palantir: "Palantir's become the most controversial stock in this market ... a very good fund, ARK, keeps buying the stock ... but it's become such a battleground that I have to say next."

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