Bank of Japan makes surprise policy tweak

The Bank of Japan has slightly loosened the shackles on its 10-year yield target and said it will review the operation of its yield-curve control policy, surprising financial markets and sending the yen sharply higher.
Analysis: Japan is chasing its tail on yen intervention

As the Bank of Japan steps into currency markets for the first time in decades to defend a battered yen, it is running into numerous obstacles, chiefly its own stubborn commitment to ultra-easy monetary settings.
Analysis: BOJ still a lone dove, but less so as global price pressures intensify

The Bank of Japan is dropping hints the recent rise in inflation may prove longer-lasting and driven by solid demand, a sign global price pressures are prodding even the world’s most dovish central bank to think about a more neutral policy stance.