The no-load fund now has 1,029 young investors, with about half between 11 and 15 years old.

"I had nothing to lose," the young investor said.

Others worry that some young investors have bought huge houses "on air," with hopes instead of cash.

And the site also fits in with the growing trend of younger investors doing their own research, she said.

As a young investor, you can wait out those bad years.

Fund company managers will not say they are intentionally avoiding young investors.

And young investors who do own stocks or funds devote only 35 percent of their portfolios to them, on average.

But, experts say, the fund insurance offers little to younger investors with long horizons.

And younger investors seem to be more aggressive than older ones.

When pressed, however, he said that as a general principle, younger investors "might want to have 50 percent in stocks."