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The Hang Seng Index gained 0.83 percent, or 179.98 points, to close at 21,754.74.
The benchmark Shanghai Composite Index slid 0.40 percent, or 12.42 points, to 3,102.24 while the Shenzhen Composite Index, which tracks stocks on China's second exchange, lost 0.37 percent, or 7.38 points, to 1,972.35.