The central bank did not intervene in the credit market yesterday.

Central banks intervene to try to keep them within a narrow range.

It was stopped only when the central bank of Russia intervened.

That day the central bank intervened again, selling more than $10 billion.

The message is that the bank could, if necessary, intervene in the currency market.

The bank intervened shortly after the real hit its highest level in two and a half years.

But he backed away from any suggestion that the central bank would intervene directly.

It was the first time that the bank had intervened to support the value of the yen in more than five years.

Late last week central banks intervened to keep the dollar from rising.

Occasionally, the central bank has intervened in the open market to buy back Canadian dollars.