US Intervenes to Support Japanese Yen as Currency Drops to 40-Year Low Against Dollar

The United States has stepped into currency markets to buy Japanese yen as the currency fell to a 40-year low against the dollar, according to CNN. President Donald Trump called the move "a signal of friendship," saying it would be "good for the world economy."
The Federal Reserve Bank of New York sold euros to buy yen on behalf of the US Treasury Department, CNN reported. Treasury Secretary Scott Bessent confirmed the US and Japan coordinated the action and said the Treasury would not hesitate to intervene again.
The Japanese yen has dropped to its lowest level against the dollar in 40 years. That means it now costs far more yen to buy one US dollar than at almost any point in modern history. A weak yen raises prices for Japanese consumers and makes imports more expensive for Japan.
Currency intervention — when a government buys or sells its own money to change its value — is rare for the United States. Washington has not done this kind of direct market action in years, making Friday's move a significant and unusual step, according to CNN.
President Trump said supporting the yen was a good thing. "It's a signal of friendship," he told reporters. He pointed to past examples where the US stepped in to help other countries' currencies and said those moves paid off for the global economy.
Trump's framing was notable. Past US administrations rarely described currency intervention in diplomatic terms. By calling it "friendship," Trump signaled that the move was tied to the broader US-Japan relationship, not just economic policy, CNN reported.
Treasury Secretary Scott Bessent said the two countries worked together to counter the yen's sharp slide. He confirmed the US and Japan coordinated their foreign exchange actions on Friday, according to CNN. "The Treasury would not hesitate to participate in further joint intervention," Bessent said.
Joint currency interventions are uncommon. They carry more weight than solo actions because they show two major economies are aligned. The last time the US and Japan acted together in currency markets was over a decade ago, making this coordination especially notable.
A yen at 40-year lows creates real problems for Japan. Import costs rise. Energy bills go up. Everyday goods get pricier for Japanese families. Japan's government has been under pressure to stop the slide, and US help gives Tokyo more firepower to do so, according to Local News 8.
For global markets, the intervention is a strong signal. It shows the US is willing to act directly in currency markets to support allies. Analysts will now watch closely to see if the yen stabilizes or if further rounds of buying are needed to hold the line.
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