Oct. 2, 2009 (China Knowledge) - China's Central Huijin Investment Co Ltd, a wholly-owned subsidiary of China Investment Corp, China's sovereign wealth fund, bought approximately 128.6 million A shares of China Construction Bank<601939><0939> in the 12 months ended on Sep. 22.

According to a statement the Chinese lender filed with the Shanghai Stock Exchange, Central Huijin now holds a 57.08% stake in the bank.

CCB's net profit for the first half of the year was RMB 55.84 billion, down 4.9% year on year due to a drop in net interest income caused by narrowing net interest margins.

Central Huiyin also bought shares equivalent to 0.08% of Industrial and Commercial Bank of China<601398><1398> and 0.03% of Bank of China<601988><3988> during the period.