Samurai bonds are bonds denominated in Japanese yen, issued by foreign borrowers on the Tokyo Stock Exchange.
While the dollar against a basket of its rivals rose 0.2 percent to 93.76.
The U.S. dollar paused on Monday after rebounding at the end of last week, when a strong jobs report suggested the currency’s weakness might have gone too far, too fast.
U.S. S&P500 mini futures dipped 0.1 percent in early trade while U.S. Treasuries price fell, pushing up the benchmark 10-year yield to as high as 2.672 percent.
he Japanese yen, gold and sovereign bonds all rose on Monday as North Korea’s latest nuclear test provoked the usual knee-jerk shift to safe havens.