Dollar Weakens Against Yen After Joint Market Intervention

The US dollar has weakened significantly against the Japanese yen after market interventions by both countries. The dollar had been trading above 163 yen, reaching a 40-year high before regulators stepped in to adjust the exchange rate.

After the official announcement of the intervention, the dollar dropped about 1% to 156.34 yen, a notable change from its previous value.

The move was confirmed by US President Donald Trump and Japan's Finance Minister Satsuki Katayama in statements on Sunday and Monday respectively. The finance ministry had purchased yen in coordination with the U.S. Treasury Department to counter excessive volatility and disorderly movements in the Japanese yen in recent months, according to a statement.

The intervention is seen as a rare occurrence where governments work together to influence market trends. Neil Newman, managing director and head of strategy at Astris Advisory Japan, noted that this type of overt acknowledgement of market intervention is uncommon, with one notable example being the 2011 earthquake and tsunami disaster in northeastern Japan.