LONDON—The euro jumped on Wednesday, set for its third consecutive day of gains, after Russian Foreign Minister Sergei Lavrov said peace talks with Ukraine were not easy but there was hope for compromise. In a busy day for markets, a stronger euro and Chinese yuan overshadowed the dollar index, which fell ahead of a Federal Reserve policy announcement with markets expecting the central bank to hike interest rates for the first time in three years. The euro was 0.4 percent higher at $1.10005 by 1230 GMT after Lavrov said that some deals with Ukraine were close to being agreed, with neutral status for Kyiv under “serious” consideration. Ukrainian President Volodymyr Zelensky said the talks were sounding more realistic but more time was needed. The euro and other European currencies including the Swedish and Norwegian crowns found some support from the developments in the talks, said Neil Jones, head of FX …