5 Smart Investing Principles 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 The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.