Japan and the United States intervened jointly to support the Japanese yen currency. This rare action aimed to prevent further declines and global economic spillovers. Central bank data suggests Japan spent billions of dollars during the intervention. Officials vowed to take further coordinated action if needed to stabilize the yen. The intervention follows recent solo actions by Japan to prop up its currency.

Japan and the U.S. may unveil a joint policy next week to defend the yen after record interventions in April and May.

TOKYO, Aug 2 — Washington and Tokyo jointly intervened to shore up the Japanese yen for the first time in nearly 30 years after the currency sank to its weakest level in…