Moderna stock plunge linked to 'overly high expectations,' strategist says

Jefferies Managing Director Michael Yee joins Yahoo Finance's Anjalee Khemlani and Brad Smith to discuss the outlook for Moderna, the impact to vaccine maker stocks as COVID-19 variants surface, and CDC data. Don't Miss: Valley of Hype: The Culture That Built Elizabeth Holmes WATCH HERE: https://youtu.be/Sb179GLPNYE