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◆ U.S. 30-year bond yield rises again In the U.S. bond market on the 20th, the 30-year bond yield rose again, almost canceling out the effect of the ``intervention'' that had lowered yields the day before when the U.S. Treasury Department announced it would double the maximum amount of government bond repurchases. In an interview on CNBC TV, Treasury Secretary Bessent was asked about additional measures, saying, ``