In his valedictory speech as the head of one of the most respected economic think tanks in the world, Fred Bergsten issued a clarion call about "a clear and present danger" that continuing "currency wars" represent to the U.S. economy, global trade and the international monetary system.

Argentina’s statistics agency reported Wednesday that annual inflation last month amounted to 10.5%. That’s been roughly the rate around which the government has been paying on its inflation-linked bonds. If investors in those securities have accepted the reduced payments based on the official data, workers unions in recent years have not, successfully garnering annual wage increases of 25% or more.

The relative strength of the U.S. dollar is helping keep the price of imported goods in check.

Central banks want to add Chinese yuan and other emerging market currencies to their emergency cash stocks, according to a new International Monetary Fund survey, a change that could redefine the world's reserve currencies.

The greenback is rising against the yen, having strengthened 15% this year amid loosened monetary policies by the Japanese central bank aimed at spurring economic growth.

Traders rooting for the dollar to break through the 100-yen milestone may need to have a little patience.

The newly redesigned $100 note will go into circulation on Oct. 8, the Federal Reserve said Wednesday, following several years of delays.

The U.S. Mint this week stopped selling its smallest-denomination gold bullion coins after surging demand ran down government inventories.