 Devin Ryan, JMP Securities senior research analyst, joins The Exchange to discuss the explosion of growth in retail investing during the Covid-19 pandemic and as commission fees disappeared from major online brokerages. For access to live and exclusive video from CNBC subscribe to CNBC PRO: Subscribe to CNBC TV: Subscribe to CNBC: Subscribe to CNBC Classic: Turn to CNBC TV for the latest stock market news and analysis. 