Dollar Falters as Middle East Hopes Boost Market Optimism

The Japanese yen has stabilized after a recent intervention by Washington and Tokyo to buy the currency. Treasury Secretary Scott Bessent assured that the U.S. will 'do whatever it takes' to support Japan's efforts, and expressed confidence in Bank of Japan Governor Kazuo Ueda making decisions best for the country's economy.

This support has given authorities an effective tool to buy time while waiting for fundamental factors to turn more positive, according to market analyst Tony Sycamore at IG. The yen remains above 40-year lows, but was slightly firmer at 157.60 per U.S. dollar after easing about 0.4% from Monday's high of 155.20.

The U.S. dollar index hovered near six-week lows due to fresh optimism over the Middle East, with oil prices extending their falls and Brent crude futures down 0.3%. This has prompted traders to reprice for lower odds of a Federal Reserve interest rate hike in September, with two-year U.S. Treasury yields hovering near two-week lows.