Early Friday, China’s central bank surprised by announcing an unexpected cut to the amount that banks set aside for deposits by 25 basis points, vowing to keep ample liquidity in the interbank system and better fund the real economy.The People’s Bank of China reduced the reserve requirement ratio for almost all banks by 0.25 percentage points, effective from March 27, it said in a statement on Friday. The PBOC last cut the RRR in December, by the same magnitude. The cut, effective March 27, is expected to inject 500 billion yuan ($72.6 billion) worth of liquidity into the market, while...