The fund's overall strategy has produced positive returns in each of its six years.

The goal is to produce positive returns regardless of the market's direction.

The longer it takes to produce returns in the early years, the greater they have to be down the road.

Both men said their systems had produced above-average long-term returns.

Many are under pressure to produce higher returns to make up for years of underfunding.

But questions remain about whether the bonds can continue to produce top returns.

However they did produce large social returns in western states by accelerating construction of the system.

Certainly, some of his recent investments in technology and media companies have produced dizzying returns.

Some of these companies have produced staggering returns so far this year.

It happened in the early 1980's with the theory that small stocks always produce better returns than large ones.