There tend to be two types of people who seek out jobs on Wall Street. The first are those with wealthy parents who were sent to the right prep schools and Ivy League colleges and who, from their first day on the trading floor, seem destined to be there. They move through life with a sense of ease about themselves, knowing that they will soon have their own apartments on Park Avenue and summer houses in the Hamptons, a mindset that comes from posh schooling and childhood tennis lessons and an understanding of when it is appropriate for a man to wear seersucker and when it isn’t.