The central bank's China Huijin Investments will stop Singapore's Temasek Holdings from taking a 10% US$3.1 billion stake in the Bank of China, the South China Morning Post reported. China Huijin, which controls 78% of BOC, objected to the bid from the Singapore government-controlled Temasek, which holds already controls 5.9% of the bank, a China Banking Regulatory Commission official told the SCMP.