The Nasdaq sank 4.1% in its worst day of the year yesterday.

So what happened?

"Fear. Pure naked fear. You can smell it," said Cramer. "It's been six years since a tech selloff of this magnitude, so that makes sense when you think about it."

We asked Risto Siilasmaa, chairman of Nokia (NOK) , his thoughts on the decline as well.

Siilasmaa has been at the helm of Nokia since 2012. Under his stewardship, the value of Nokia's business increased twenty times between 2012 and 2016 and today the company is the second-largest player in the $100-billion-dollar global. 

So we talked to him about the future of tech, the increasing prices of memory chips and his new book, Transforming Nokia: The Power of Paranoid Optimism to Lead Through Colossal Change.

So watch now for all of it.

 

 

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