Cramer's lightning round: Quanta is a data center play worth 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.

TL;DR
- Jim Cramer believes Quanta Services is still a buy, citing potential for more building after the election.
- Cramer considers Planet Labs a terrific company and recommends buying it, stating it's done going down.
- Duke Energy is suggested as a buy at its current price, though the 5-year Treasury offers a competitive yield.