The Bank of Japan raised interest rates to a 31-year high and signaled its readiness to keep pushing up borrowing costs. Leika Kihara takes a closer look at the decision ▻ ↧ BOJ lifts rates to 31-year high, pivots towards preemptive inflatio... The Bank of Japan's governor ​said the central bank had entered a new phase focused on preventing inflation from overshooting its target, opening the door to further rate hikes.