Japan fin min says will keep a close eye on FX market via ForexLive

Taro Aso: - FX movements have implications for the economy - One-sided abrupt, speculative movements in FX have further intensified - Will keep a close eye on FX and will respond if necessary Sounds like it's a matter of 'when' and not 'if'... or maybe that's what he wants the USD/JPY shorts to think.