Keys to Investing for Retirement The slideshow presentation that you would like to view is too large for your current screen resolution. Click here to view to view the slideshow at full resolution. Launch Presentation » 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. How Stocks Work Understanding how a stock works is key to understanding your investments. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.