KITAKYUSHU, Japan—China’s Hu Xuwei upstaged Tokyo Olympic champion Daiki Hashimoto of Japan to win the horizontal bar gold medal on the final day of the 50th artistic gymnastics world championships on Sunday. Hu received 15.166 points to edge Hashimoto by just .100 of a point. Brody Malone of the United States won the bronze medal with 14.966 points. But the night really belonged to six-time all-around world champion Kohei Uchimura. Uchimura, who last won the horizontal bar world title in 2015, was sixth with 14.600 points in what could have been his last world championships. Uchimura fell from the horizontal bar during the Tokyo Olympics and did not qualify for the final, won by Hashimoto. It was not how the 32-year-old legend wanted to end his career and if Sunday was his final performance it was one he could be proud of. He completed all the elements and had a …