Cramer's lightning round: Buy Caterpillar

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

Jim Cramer is unfazed by Tuesday's sell-off: 'You should expect them, even hope for them'

CNBC's Jim Cramer said he's unfazed by Tuesday's sell-off because that's exactly what the market needs when stocks rise too ...

'Worrisome': Jim Cramer says chip stocks have gone 'parabolic' — and he's making moves in his own portfolio before it's too late

CNBC's Jim Cramer is scared that the surge in semiconductor stocks could be setting up for a nasty pullback. In a recent Mad ...