If you think buy-and-hold investing is dead, then you need to watch this video.

As Motley Fool contributor John Maxfield points out, a quarter-century long investment in the S&P 500 (^GSPC 1.02%), or in the longest-trading companies on the Dow Jones Industrial Average (^DJI 0.40%), would have yielded total returns in the three to four figures. Meanwhile, the average individual investor consistently and considerably underperforms the broader market.