Cramer's lightning round: I've got too many headaches to invest in a REIT

• It's that time again! "Mad Money" host Jim Cramer rang the lightning round bell, which means he gave his take on callers' favorite stocks at rapid speed.

Welltower: "Real estate investment trust. We do not need that right now. I've got enough headaches."

Control4 Corp: "Too competitive an area. We're going to have to say ix-nay on that one."

Sunrun Inc.: "It's been a good solar stock, which is actually quite surprising. My problem is that this stock has run a little too much."

Watch the full lightning round here:

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