Cramer's lightning round: 'I cannot recommend' Rocket Companies
"Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.

TL;DR
- Jim Cramer gave stock recommendations in his "Mad Money" lightning round.
- He advised against investing in Rocket Companies, citing negative impacts of rate hikes.
- Cramer recommended Navitas Semiconductor as a speculative, but not great, investment.
- He expressed concern over Navitas Semiconductor not making money, especially in a rate cycle.