All that depends on you building the relationships required for people to trust you with their money, so all moot until you get to that point. Too many kids think they can just instantly get to the top. You can't.
Ive looked into investment banking for my class and I know they work for corporations but in the long run could they have their own investment banking business? Could it be achieved before 50? if they a well known how much would they get in terms of income if they are the CEO?