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Gross domestic product (GDP) in the second quarter expanded 2.1 percent year-on-year, according to official data, less than a Reuters poll forecast of 2.65 percent growth.
The main share index fell 0.77 percent to 79,459.26, compared with a 1.11 percent drop in the emerging markets index. The benchmark 10-year government bond yield rose to 9.23 percent from a previous close of 9.16 percent.