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. Henry Schein: "I think it's a good ...

CNBC's Jim Cramer offered advice on how to deal with down days. He encouraged investors to use a market-wide decline as a buying opportunity. "A day like yesterday can be the way you finally get a ...