As the markets continue ever upwards, many investors are getting nervous that a major market pullback is not far off. Is this a market bubble, and should we be preparing for it to burst? In the video below, Fool contributor John Reeves takes a look at some analysts' opinions on whether or not we are experiencing a bubble at the moment, and he discusses some of the stocks contributing to these all-time market highs. Finally, John tells investors how to play today's dizzying market highs the Foolish way: by investing for the long term.

John Reeves has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not 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.