Hong Kong stocks extend losses in opening exchanges

The Hang Seng Index fell 0.81 percent, or 253.86 points, to 31,181.15.

The benchmark Shanghai Composite Index lost 0.42 percent, or 13.87 points, to 3,277.51, while the Shenzhen Composite Index, which tracks stocks on China's second exchange, gave up 0.43 percent, or 8.03 points, to 1,870.48.