For example, a fund with a net asset value of $10 may trade at only $8 a share.

The funds have been trading at around 8.25 percent in recent days.

The funds traded at 8 9/ 16 percent for most of today's session.

Before the Fed's move, funds were trading just above 7 1/2 percent.

The funds traded at 8 11/16 percent almost all day.

The Fed entered the market when funds were trading at 8 15/16 percent.

The funds had traded at 7 3/8 percent the day before.

The funds subsequently traded down to 5.75 percent at yesterday's close.

Before the computer trouble, the funds were trading between 9 5/8 and 9 3/4 percent.

However, the funds traded back up to 7 1/16 percent at the close.