Hong Kong stocks extend gains at open

Hong Kong: Hong Kong stocks climbed in the first few minutes of trade on Wednesday, building on a four-day rally, with investors upbeat about the strong US economic outlook.

The Hang Seng Index added 0.32 percent, or 98.06 points, to 31,191.51.

But the benchmark Shanghai Composite Index was down 0.16 percent, or 5.04 points, at 3,109.17, and the Shenzhen Composite Index, which tracks stocks on China's second exchange, dropped 0.07 percent, or 1.30 points, to 1,776.43.