Yen crumbles under towering dollar and US Treasury yields

The yen struggled to break away from a 34-year low on Friday and was headed for a weekly decline, while the dollar hovered near a five-month high alongside U.S. Treasury yields as traders heavily scaled back bets for a slew of U.S. rate cuts this year. The euro was eyeing its sharpest weekly fall in about four months, pressured in part by a resurgent greenback and expectations that the European Central Bank (ECB) could begin easing rates in June, likely ahead of the Federal Reserve. The yen was last marginally higher at 153.17 per dollar, languishing near a 34-year trough of 153.32 per dollar hit in the previous session on the back of a surge in U.S. Treasury yields, which the dollar/yen pair tends to closely track.