5 Smart Investing Strategies 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 It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA.