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 | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Tax Efficiency in Retirement What role would taxes play in your investment decisions? 9 Facts About Social Security There are things about Social Security that might surprise you. The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out.