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 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. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.