From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Related Content Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding.