The portfolio also outperformed all other rating systems studied by the researchers.
On a risk-adjusted basis, the newsletters did better; 10 portfolios outperformed the market.
In the first half of 1998 the environmentally weighted portfolio outperformed the S.& P. by 2.8 percentage points.
On the bright side, one of the problems with a self-directed Keogh plan is that you have no one to blame but yourself if its portfolio doesn't outperform the market.
At that time, he received a moderate salary and a bonus based on how much the portfolio outperformed the S.& P. 500.
Since it was started, the portfolio has slightly outperformed the index.
Although private-sector investments generally entail greater risk, historically large, diversified portfolios of stocks and corporate bonds have outperformed Treasury bonds.
Between the beginning of 1988 and Nov. 30, the portfolio outperformed the Wilshire, 16 percent to 13.7 percent, annualized.
Over the next 12 months, the portfolio of the heavily sold stocks outperformed the overall market by 4.5 percent, on average.
Not surprisingly, the portfolio of stock picks outperformed the funds holding them.