Square CFO Amrita Ahuja on Cash App's viral growth. And Jack talks DoorDash, Airbnb, and bubble tea.<p> </p><p>Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a></p>

DraftKings CEO Has Amazon Aspirations

Get the lowdown on high finance each week with Barron’s columnist Jack Hough. Business leaders and trendspotters, insights and absurdities—this is Wall Street like you've never heard before.