Cramer's lightning round: Rio Tinto is a buy - CNBC

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

Desktop Metal: "No, we don't need to do that. We have HP Inc. on earlier this week, and they are going to own the 3D industry and make money, so you need to be in HP Inc. Symbol HPQ." Canada Goose:… [+1202 chars]

full article...