(Yicai  Global) Aug.22 -- The Shanghai Interbank Offered Rates moved both ways today after the People's Bank of China net injected CNY30 billion (USD4.2 billion) into the nation's financial system via open market operations, changing direction after three straight days of withdrawals.

The overnight SHIBOR was 3.92 basis points lower at 2.5440 percent while the one-week rate fell 1.10 bips to 2.6420 percent, but the SHIBOR for three-month loans climbed 0.8 bips to 2.6820 percent.