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The Hang Seng Index added 0.35 percent, or 104.18 points, to 29,572.33.
But the benchmark Shanghai Composite Index dropped 0.61 percent, or 17.84 points, to 2,889.98, while the Shenzhen Composite Index, which tracks stocks on China's second exchange, eased 0.62 percent, or 9.85 points, to 1,584.20.