Sunnova Energy founder and CEO John Berger (NOVA) on financing solar power in single family homes and expanding the lifespan of solar panels. Biogen (BIIB) celebrates the first new Alzheimer's treatment approved in 20 years. US Concrete (USCR) targets a comeback from Covid-19 pressures. Macquarie Infrastructure (MIC) unloads Atlantic Aviation and its private jet business. 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