[U.S. 30-Year Treasury Yield Surpasses 5.40%, Hits Highest Level Since 2007] Odaily Planet Daily News: The yield on U.S. 30-year Treasury bonds continues to rise, reaching an intraday high of 5.40%, marking the highest level since June 2007. As long-term U.S. Treasury yields climb, market concerns about U.S. inflation, fiscal deficits, and rising long-term financing costs have intensified.