Here's what Jim Cramer had to say about some of the stocks during the Mad Money Lightning Round:

Trex (TREX) - Get Trex Company, Inc. Report : "This thing has gone parabolic, so you need to wait for it to come down."

Enphase Energy (ENPH) - Get Enphase Energy, Inc. Report : "This one is too hard, and the shorts are all over it."

Alcon (ALC) - Get Alcon, Inc. Report : "I like Alcon and I like Novartis AG (NVS) - Get Novartis AG Sponsored ADR Report ."

Rite Aid (RAD) - Get Rite Aid Corporation Report : "That's too risky. Sell."

Tallgrass Energy (TGE) - Get Tallgrass Energy LP Class A Report : "It's time to take profits."

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At the time of publication, Cramer's Action Alerts PLUS had a position in NVS.