Transcript for Elon Musk reveals Asperger’s diagnosis on 'SNL'
Now to Elon Musk making headlines while hosting "Saturday night live" over the weekend, revealing that he has asperger's syndrome while also making a joke that may have moved markets. Eva pilgrim has more at a Tesla showroom in Brooklyn. Good morning, Eva. Reporter: Good morning, Michael. When Elon, the Tesla owner speaks, people listen, but it may not be what they wanted to hear. Ladies and gentlemen, Elon Musk. Reporter: Billionaire Elon Musk making his late night debut hosting "Saturday night live." The tech giant poking fun at himself and his sometimes controversial persona. I reinvented electric cars and I'm sending people to Mars on a rocket ship. Did you think I was also going to be a chill, normal dude? Reporter: And also making a personal revelation. I'm actually making history tonight as the first person with asperger's to host "Snl," or at least the first to admit it. So I won't make a lot of eye contact with the cast tonight. Reporter: And while the Tesla and spacex founder led some jokes, his comments on cryptocurrency moved the market. Some investors weren't laughing. Musks a cheerleading has fueled a drive for cryptocurrency that started as a joke and rose over 23,000% in one year. What is it, man? I keep telling you, it's a cryptocurrency you can trade for conventional money. Oh, so it's a hustle? Yeah, it's a hustle. Why didn't you say that, man? Reporter: Dogecoin down roughly 36% by the end of the show, possibly drawing attention from federal regulators. He has a history of running this because of his tweets and the things he said about financial investments in the past, but what are they going to do here? He's making jokes. He is literally on a comedy show talking about a joke cryptocurrency. Reporter: Now when people have asked him one-on-one about cryptos, he's given them pretty sound advice saying they are specklative and very risky and telling people, don't be crazy. He made a joke about something that started as a joke, and it's no joke. I guess. Lots of money at stake.
This transcript has been automatically generated and may not be 100% accurate.