Finance Minister Masajuro Shiokawa said the yen has strengthened too much but declined to comment on whether Japan had intervened .
Japan 's Finance Minister Masajuro Shiokawa said the yen had strengthened too much but declined to comment on whether Japan had intervened in the market to stem the yen 's rise .
The euro was at 1.5276 versus the Swiss franc , up 0.2 percent on the session , after hitting its highest since mid-2001 around 1.5292 earlier in the session .