If you want to retire rich, you need stocks that will provide the returns to help you reach your financial goals. But with thousands of stocks to choose from, finding the most promising ones can be like searching for a needle in a haystack.

With some guidance, though, it is possible to find promising stocks for your retirement portfolio. In the following video, Motley Fool investment-planning editor Lauren Kuczala talks with longtime Fool contributor and retirement planner Dan Caplinger about the key things to look for when evaluating a stock for a retirement portfolio. With factors that include healthy dividends, solid growth, and stock-price stability, few stocks pass all of Dan's tests, but he shares the companies that have done the best out of the hundreds of different stocks he's looked at over the years. Dan also provides some additional insight on what he's learned during his long search for the best stocks.

Neither Fool investment planning-editor Lauren Kuczala nor Fool contributor Dan Caplinger has any position in any stocks mentioned. You can follow Dan on Twitter: @DanCaplinger. The Motley Fool recommends Becton, Dickinson and McDonald's and owns shares of McDonald's. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.