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Ukraine's 2017 bond chalked up the biggest gains, adding 2.173 cents to trade at 47.423 cents in the dollar, according to Tradeweb data. The 2022 issue added 0.5 cents to reach 44.750 cents and the 2023 bond rose by 1.757 cents to 46.057 cents. All traded at their highest level in 19 days.