• USD/JPY's new 34-yr high at 155.75 Thur was aided by Tsy-JGB yld spreads

• Weak but inflationary U.S. Q1 GDP and core PCE crushed Fed cut pricing

• That amid doubts about Japan's plans to support the falling yen

• Friday's BoJ meeting eyed for QE exit plans, but no rate hike is expected

• Slowing the 155 breakout was the broader dollar softening on Thursday

• Prices have come closer to the upper 30-day Bolli by 156

• That Bolli was by key highs earlier this month and in prior two months

• Friday data features are Tokyo April CPI and U.S. core PCE

• That as nearby MoF yen intervention looks less likely or acceptable to US

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