Portillo's Restaurants creates and sells additional stock to the investment banker Bank of America. Bank of America then resells the issue to the U.S. public through its mutual funds; Bank of Afnerica is acting as Portillo's Restaurants creates and sells additional stock to the investment banker Bank of America. Bank of America then resells the issue to the U.S. public through its mutual funds; Bank of Afmerica is acting as an asset transformer. a market maker. a broker-dealer. a stock trader..