Plug Power: "I like those two acquisitions, that's why we had Plug Power on. I like the story, but I was hoping you were talking about Linde" because the company has "a lot of things going for it. We'll do this: Linde for the people who want to be able to have some hydrogen" and "Plug Power for those who are young — or young at heart — and are willing to take a little speculative appeal."
Karyopharm: "Cancer spec. I never say no to those ... I happen to think that if you want to speculate, you want to speculate oncology because there's so much heartbreak and there's so much need."
Barrick Gold: "I actually am a very big fan of Barrick Gold. I think you buy half and then ... you hope it comes in."
Precigen: "I have to do some work on that one."
Disclosure: Cramer's charitable trust owns shares of DuPont.