Finance Minister Satsuki Katayama said an extra budget is not yet necessary, after long-term Japanese government bond yields hit multi-decade highs amid spillover concerns from a spike in U.S. inflation. | BLOOMBERG Finance Minister Satsuki Katayama reiterated that the government doesn’t need to compile an extra budget for now, adding that a recent rise in yields on Japanese government bonds is part of a broader global trend. “Bond yields have been rising across all three major markets,” Katayama told reporters Friday, citing selloffs in the U.S., U.K. and Japan. “These developments are interacting with each other and creating something of a compounding effect,” she said. Katayama was speaking a day after yields on long-term Japanese government bonds climbed to multi-decade highs, in moves driven partly by spillover concerns in the Treasury market after U.S. inflation spiked.…