Treasury Warns Banks of Potential Yen Intervention

US Treasury officials have informed several major banks that they may intervene in the yen market on Friday, according to sources familiar with the matter. The move is seen as a potential response to Japan's strong economy and currency fluctuations.

Japan's Financial Minister, Katayama, declined to comment on speculation surrounding the intervention. Meanwhile, a trader noted that the yen has suddenly strengthened, sparking concerns about the risk of market intervention.