The Dollar Index, which tracks the U.S. currency against six leading trading partners (but not China), fell the most in a single day since last April 10, when it tumbled almost 2% amid mounting trade disputes and U.S. threats to impose a 145% tariff on China. That same day, the S&P 500 slid 3.5% and the Nasdaq Composite sank 4.3%.

The chart shows the U.S. dollar’s value from January 20 to January 25, with the index falling from around 99.10 to 97.14.

The Dollar grappled with a "crisis of confidence" as it struggled near four-year lows on Wednesday after President Donald Trump brushed off its recent weakness.

Tucker Carlson asks the new guest why Bitcoin can't replace the U.S. dollar.

U.S. dollar has fallen 10.7% year-over-year, declining against major currencies amid mounting debt, rate divergence, and geopolitical risks.

A gauge of the dollar slid to its weakest level in nearly four years as a resurgent yen adds to headwinds for the US currency.

The US dollar's 10% decline this year looks bad on the surface. But there are actually some positives.

The U.S. dollar is coming under fire again in the first few turbulent weeks of 2026 as a growing range of factors -- including Washington's desire for a weaker currency -- prompts a rethink of ​investors' optimistic assumptions for a period of stability for the greenback.

NY Fed's USD/JPY rate checks signal potential currency intervention similar to 1985 Plaza Accord, which weakened the dollar by 50%.

The U.S. dollar fell to its lowest level in four years on Tuesday despite President Donald Trump claiming it was “doing great” in a speech in Iowa.