SHANGHAI, Aug 5 (Reuters) - China's major stock indexes opened down on Wednesday.
The CSI300 index fell 0.3 percent to 3,937.62 points at 1:29 GMT, while the Shanghai Composite Index lost 0.3 percent to 3,745.65 points.
China CSI300 stock index futures for August fell 0.1 percent, to 3,833.8, -103.82 points below the current value of the underlying index.
The Hang Seng index in Hong Kong was up 0.3 percent, to 24,466.30 points. (Reporting by Pete Sweeney; Editing by Adam Jourdan)