Cramer's lightning round: 'You should stay away' from Nikola

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

Emergent Biosolutions: "This is a very good company. I think you're in a really good situation. J&J likes them. I like them." 

Nikola Corporation: "Supply overwhelmed demand, which is not a good sign. Most of the good stocks are like Tesla where demand is overwhelming supply. I think that you should stay away. There is much better places for you to put your money."  

PTC: "I think you should buy Autodesk. I think Autodesk is much better than PTC. Go for Autodesk. It's just a better run company." 

Olin Corporation: "It hasn't benefit from this. It's not going suddenly going to start benefiting. It's a disappointment. If you want a chemical company, the only one I'm recommending right now after Dow's had its big run is DuPont. Olin's been a disappointment. I don't want to put you in that house of pain." 

Illumina: "Illumina is sensational. I was going to say, I hope he says either Illumina or Thermo Fisher or Danaher. All three of those are good ones. Illumina is a great company. I can't believe no one snapped that one up when they had a chance." 

Kinder Morgan: "I don't like the pipelines... I just think the pipeline business was a once-great business without a lot of growth, and I do not think you should own that stock. If you do want oil, the ones I'm recommending once again are Pioneer because of [CEO Scott] Sheffield, Parsley because they have a great environmental footprint and yes, Chevron because Mike Wirth is as smart as they get." 

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