Jim Cramer recommends buying CSCO, notes its strong quarter. APPL still a good buy with Tim Cook's successor announced. Vale may hedge inflation. ERock not advised, go with CoreWeave. Cisco, Apple, ERock shares up, Vale down.

Reddit is "such a buy," Cramer said. The "Mad Money" host also looked at ServiceNow, First Solar, Sunbelt Rentals and Super Micro Computer.

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