Hong Kong stocks extend rebound at open

The Hang Seng Index climbed 0.93 percent, or 292.25 points, to 31,790.85 in early trade.

But the benchmark Shanghai Composite Index was slightly lower, dipping 0.90 points to 3,328.67, while the Shenzhen Composite Index, which tracks stocks on China's second exchange, was flat, inching up 0.26 points to 1,815.28.