Japan's 20-year bond yield has hit its highest since May 2014

The yield on the 20 year Japanese Government Bond has risen to 1.47%, its highest in nearly a decade. Yesterday the 10-year yield hit its highest since May 2014. The Bank of Japan was in the market buying the 10yr earlier today: BoJ offers to buy an unlimited amount of JGBs: fixed rate, residual maturities