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The benchmark Hang Seng index lost 143.43 points to 18,817.47 on turnover of HK$60.19 billion ($7.73 billion).
The Shanghai Composite Index, which covers both A and B shares, shed 0.16 percent, or 3.91 points, to 2,463.05 on turnover of 65.9 billion yuan ($10.4 billion).