The dollar fell against the yen despite central bank intervention.

Traders are waiting for some word from Washington, either in a statement or through central bank intervention, to answer this question.

The mark, which had been strong, slipped despite central bank intervention to support it.

Just how much the central bank intervention cost the governments may never be known.

In the past, the group has used central bank interventions and interest rates to try to influence the dollar's movement.

At the end of these central bank interventions we will see a return to stronger dollar levels.

They added that a fear of central bank intervention would probably stop the currency from falling very far.

If it did, however, central bank intervention would become necessary to send out a stop signal.

This means more central bank intervention is likely to be needed to keep the dollar from rallying again.

There was no sign of major central bank intervention yesterday, traders said.