The Hang Seng Index shed 1.32 percent, or 309.17 points, to 23,175.11.
The benchmark Shanghai Composite Index slipped 0.90 percent, or 24.99 points, to 2,747.21, but the Shenzhen Composite Index on China's second exchange slipped 2.11 percent, or 35.80 points, to 1,657.55.