take a tour inside clubhouse with joanna stern.oing to start with a look at the new retail investors. robert frank has more. robert >> reporter: good morning, jon more than 10 million americans opened new investment accounts last year, the largest in recent history. a new study shines a light on who they are and how they actually trade now the study was by the finra education foundation and the university of chicago. they looked at people who had opened investment accounts for the first time in 2020 most were between 30 and 59 years old, so they're slightly older than that 20-something day trader we hear so much about they're alsomuch more racially diverse. a third are african-american or latino african-americans' share of new investors is actually double that of existing investors now the new investors also is a very small investor. most had account balances of less than $2,000 and a third balances of less than $500 their main reason to start investing was retirement and they were motivated to start investing by low, minimum inves