Technicals: The JPY bulls broke above the trendline and it looks to have a higher probability in the upside.
Fundamentals: The JPY remains one of the less valued currency.
As you see the neckline has been broken...and the fundamentals are in favour of the greenback with the recent news that Janet Yallen will serve for yet another term. this means the rate hike for December is still in the books and it will boost the strength of the dollar.