What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Share | Related Content From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.