Hong Kong stocks rally at start of the week    

The Hang Seng Index climbed 1.66 percent, or 505.07 points, to 30,997.98.

The benchmark Shanghai Composite Index gained 0.52 percent, or 16.05 points, to 3,091.19 and the Shenzhen Composite Index, which tracks stocks on China's second exchange, rose 0.09 percent, or 1.63 points, to 1,747.96.