Weakness is persisting in the Japanese yen despite analysts expecting the Bank of Japan to hike the policy rate to a 31-year high of 1 per cent on Jun 16. Japan's bond market is in focus, with that Bank of Japan's upcoming policy decision. While bond yields fell on Jun 15 on news of an MOU between the US and Iran, investors remain focused on what the central bank might do next. CNA's Roland Lim has the lowdown on why this decision matters beyond Tokyo.