Jim Cramer prefers KeyCorp over Truist Financial, while Archer Aviation unveils a new platform. Ollie's Bargain has been missing earnings.

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

Jim Cramer prefers KeyCorp over Truist Financial, while Archer Aviation unveils a new platform. Ollie's Bargain has been missing earnings.