Sources close to the bank said that the extension excluded any other prosecution triggers and was solely focused on the currency manipulation investigation.

A second senior foreign exchange trader has been put on leave as part of the investigation into possible currency manipulation.

The latest round of settlements also comes after global regulatory investigations into currency manipulation that triggered about $10 billion in fines for several leading banks.

And the words 'currency manipulation' have vanished from the comments made by administration officials who are working in the real world of trade negotiations.

Economists against offshoring charge that currency manipulation by governments and their central banks causes the difference in labor cost creating an illusion of comparative advantage.