If you don't have a strategy in place for your portfolio, think long and hard before putting additional money into the market. In short, a coherent strategy is essential to ensure that your portfolio accomplishes its long-term goal. 

With this in mind, Fool contributor John Maxfield lays out in the following video one simple strategy that virtually any investor can use to boost returns.

John Maxfield and The Motley Fool have no position in any of the stocks mentioned. 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.