By Jeremy Salvucci How has a long career in finance influenced Jim Cramer’s net worth? The “Mad Money” host is many things: Harvard Law grad, hedge fund founder, co-founder of TheStreet, and host of two longstanding CNBC stock market television programs. His reputation as a loud and energetic voice on Wall Street is longstanding. His “Mad Money Manifesto” states that the purpose of his nightly show is to help even the financial playing field. He does this by teaching everyday investors how to think like the white-collar fund managers — the people who control most of the money that moves throug…