China central bank unexpectedly injects CNY 502 billion - Reuters

The People's bank of China (PBOC) said on Monday that it lent CNY 500 billion to financial institutions through one-year medium-termlending facility (MLF) at 3.30 percent interest rate (unchanged from previous), accordng to Reuters. 

The moce has caught markets offguard as no MLF lonas were due today and the central bank usually injects liqudiity through MFL lonas on the day the existing loans are scheduled to mature.