Cramer's lightning round: You can slowly pick at Trade Desk as it goes down

• 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.

Trade Desk: "Trade Desk is precisely the kind of stock that as it goes down you can pick at it slowly. It reminds me a lot about Shopify, same deal. But don't be aggressive 'cause you'll end up being burned."

BioLife Solutions: "I got to do some work on BioLife."

Sage Therapeutics: "I am a believer in [CEO] Jonas. This is the kind of stock that's going to keep going down because the market doesn't favor growth, and then it's going to bottom. You're going to say: 'Why didn't i buy a little Sage Therapeutics?'"

Iron Mountain: "You know, Iron Mountain has always had a high yield. People just think it doesn't have the growth. I like the company."

Service Corporation: "It's got it's act together. ... It's a good stock."

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