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Global stock markets were mixed on Friday, the last trading day of the year, ahead of the opening bell in the U.S. European stocks edged down while some Asian markets made gains. U.S. stock futures edged higher with the Dow Jones Industrial Average, the S&P 500, and the Nasdaq Composite benchmark indexes all rising by about 0.2 percent, signaling a positive start to the day. The Dow is poised to wrap up its best year in three years. U.S. stocks edged lower on Thursday as investors traded cautiously to close out 2016.