Some fund experts wonder whether Fidelity will do away with performance fees.

Some fund experts say that fees contingent on performance can be valuable.

And fund experts say that investor nervousness shows no sign of clearing.

And fund experts say the January numbers promise to be strong, too.

Most mutual fund experts urge individuals to invest for the long term and not to try to time the market.

Such revenues seem excessive for a small firm like Bayou, hedge fund experts said.

Mutual fund experts could not estimate the number affected, but said it was a small percentage of the total.

Here are what some fund experts say are common mistakes.

For long-term investors, the funds are best used with a simple rebalancing strategy, say fund experts.

But fund experts don't agree in their assessments.