The hottest stock of the year isn't Tesla. It's not Beyond Meat. And it isn't even a tech stock. Not really, at least. So what's left? How about space? Since becoming public late last year, Virgin Galactic is up some 500%. The company is promising the first tourist rides to space later this year. So the dollars must be flowing in, right? Not exactly. Barron's Tae Kim joins host Alex Eule to explain why. Producer: Mette Lützhøft.