By Daniel Hunter
Friday marked the sixth straight day of gains for Japanese shares, the longest run in over three months.
The benchmark Nikkei 225 closed up 0.2% to 17,920.45 points, which was its best finish since July 2007.
It was a good day for the dollar as well as it reached a seven-and-a-half year high against the yen, rising up past the 120-yen mark.
The rest of Asia traded mixed after the European Central Bank (ECB) decided not to expand its stimulus programme.
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