In recent years, interest rate hikes by the Federal Reserve pushed bond yields near levels not seen in more than a decade.

And he has fulfilled that pledge in one key way, with U.S. government bond yields falling sharply. But the reason for the drop is an unnerving one: Investors appear to be more on edge about the ...

BOJ Governor Kazuo Ueda issued a mild warning on Friday that it could increase bond buying if "abnormal" market moves trigger a sharp rise in yields, but he was reiterating the bank's pledge made ...