Cramer's lightning round: Let Extreme Networks cool off a little before buying

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

Cramer's lightning round: Let Extreme Networks cool off a little before buying
"Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.