Could Arcturus Therapeutics CEO Joseph Payne (ARCT) have a new COVID-19 vaccine and get to market through a trial in VIETNAM? Spotify (SPOT) rides, what else, podcasts to explosive growth. Rollins (ROL) juggles the concepts of organic growth versus acquired growth. Did Robinhood (HOOD) fool us all with exaggerated crypto-trading right before the IPO? The Drill Down with Cory Johnson offers a daily look at the business stories behind stocks on the move. Learn more about your ad choices. Visit megaphone.fm/adchoices