US Joins Japan in Rare Yen Intervention as Trump's Tariffs Face New Legal Assault

The global currency playbook just got rewritten. In a move not seen since the 2011 earthquake, Japan and the United States executed a coordinated intervention to bolster the yen after it cratered to a 40-year low of ¥164 to the dollar. The yen has since jumped to ¥155—its strongest in three months—as the alliance vows to keep intervening. This isn't just currency management; it's a geopolitical signal that the US Treasury is ready to disrupt markets that push...