Cramer's lightning round: PayPal can go even higher

• 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.

BlackBerry: "It's been reinventing itself for so long that I've forgotten about how it's being reinvented. … All I can tell you is during this whole way had you just bought Apple, how much better would you have done? So I'm suggesting sell BlackBerry and buy Apple."

Blink Charging: "I've got to tell you, I would say that there are too many of them and you've got to be very, very careful."

PayPal: "It's the bank of the future. … I think this stock can go higher, still."

Chewy: "It's really hard to value … I'm partial to Chewy because I think it's just a terrific way to get pet food, but the stock has run up a lot and it's a little too expensive for me at this point."

Veeva Systems: "People didn't like the quarter yesterday and that causes me to think what we ought to do is just bring Veeva on [the show], rather than make a snap judgment because it's been such an unbelievable performer over the years. I'm not going to abandon ship."

Disclosure: Cramer's charitable trust owns shares of Apple.

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