1.   But prudent investment managers use the same tactics to insulate funds from movements in interest rates in either direction.

2.   Index funds are not insulated from danger if the market falls, and, not all of them are cheap, advises Contributing Editor Ellyn Spragins.

3.   Such fees work against the small investor and insulate funds from any change in their expense ratios, the traditional measure of fund costs.

4.   The bill is designed to insulate these funds and make it harder for Congress to switch spending from transportation to programs it values more highly.

5.   Our primary objective now is to insulate the fund from additional risk.