• USD/JPY extends recovery with help from the drift higher in U.S. yields

• However, resistance at 144.50 remains a stumbling block

• Firm break would put 145 in focus for bulls

• BoJ's Ueda appears to raise the bar to an Oct hike

• Notes service prices for Oct will be key (released after Oct decision)

• Upcoming LDP election will be the near-term risk for yen

• EXPLAINER-How would Japan's ruling party race affect BOJ rate hike timing?

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