Last month the folks who run the benchmark Russell 2000 small-cap index did their annual reconstitution--replacing 377 of the 2, 000 companies that had outgrown or become too small to fit the index.

FORBES: A Hedging Hand

By contrast, more than 60% of Americans fit this description, according to a Gallup-Healthways Well-Being Index last year.

WSJ: Want to Be CEO? What's Your BMI?