Because of federal regulations. I have previously worked in an investment bank as well and you are not allowed to day trade, you're only allowed to trade during

Because of federal regulations. I have previously worked in an investment bank as well and you are not allowed to day trade, you're only allowed to trade during certain periods, and for my employer you were only allowed to have retirement accounts including things like IRAs with certain reputable companies (Vanguard, Goldman, JP, etc.).