Hong Kong stocks bounce back to end higher     

The Hang Seng Index added 0.79 percent, or 239.48 points, to end at 30,548.77.

But the benchmark Shanghai Composite Index lost 0.60 percent, or 19.04 points, to 3,133.72 and the Shenzhen Composite Index, which tracks stocks on China's second exchange, rose 1.34 percent, or 23.74 points, to 1,790.35.