Cramer's lightning round: Fisker is the ultimate speculative stock - CNBC

"Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.

Cognizant Technology Solutions Corp: "I think it's fine. Remember, we're in a market where the stock could go down 10% in a heartbeat, so you might slow it." Nov Inc: "After some lean years, it's ti… [+388 chars]

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