CNBC's Jim Cramer offers his takes on various companies, including CME Group, Alcoa, Rocket Lab, Fortinet, HCA Healthcare and Hubbell.

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

CNBC's Jim Cramer offers his takes on various companies, including CME Group, Alcoa, Rocket Lab, Fortinet, HCA Healthcare and Hubbell.