Cramer's lightning round: Six Flags is not a buy - 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.

Portillos Inc: "We're going to have to save that one for later and lower." Berkshire Hathaway Inc: "I've been recommending that stock ever since the week that [Mad Money] began. ... Berkshire Hathaw… [+318 chars]

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