The yen rose against most of its major peers on speculation declines in equities and commodities this week have increased demand for safer assets. The USD/JPY pair ended Wednesday session at 83.75 recorded the highest level at 84.25 and the lowest level at 83.56.
The Australian currency improved versus the majors after two days drop as signs of global economic growth, encouraging investors to prefer buying higher-yielding currencies such as the Australian dollar.
The AUD/USD pair closed yesterday's session as of 1.0492 after recorded a high of 1.0537 and a low of 1.0427.
New Zealand dollars increased versus the US counterpart amid renewed concerns that Europe's sovereign-debt crisis may be prolonged, damping demand for higher-yielding assets.
New Zealand currency against the greenback pair ended Wednesday session at 0.7881, recorded the highest level at 0.7927 and the lowest at 0.7835.