Wall Street may not be as fun or lucrative as it was a few decades ago, but it remains an exciting and challenging place for a young person to start a career, says Ben Carpenter, author of "The Bigs" and former CEO of Greenwich Capital. Carpenter says the unpredictability of the markets is what makes Wall Street such a great environment for college graduates. He also says there are lots of different job options on Wall Street to match skill sets. Finally, Carpenter says those entering Wall Street banks should remember that their careers will be decided by the entire firm, not just their immediate boss.

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