Yen hits 6-month high at ¥154.04; intervention watch intensifies

The yen strengthened to ¥154.04 per dollar, a six-month high, with a sharp move during the London morning session. Traders are on alert for possible Japanese official intervention to curb excessive volatility, though no intervention has been confirmed. The move signals sustained yen appreciation pressure, likely driven by shifting rate differentials, and raises the risk of policy action.