Plug Power must get expenses under control

Rocket Pharmaceuticals Inc: “This is a very early stage company that has a lot in the pipe. I tend to like these companies. … If you get a bunch of them, I think you’re going to be f...

Cramer’s lightning round: I’m sticking with Nvidia

Nvidia Corp: “I know it’s overvalued right now. … I think a year from now, the stock’s going to be higher, and I’m sticking with Nvidia.” GoPro Inc: “I said s...