Tokyo issues ended the morning session higher on Monday with the benchmark Nikkei index hitting its half-month high, supported by a weaker yen and buoyant overnight U.S. and European markets. The 225-issue Nikkei Stock Average gained 62.91 points, or 0.43 percent, from Friday to 14,758.94, after climbing as high as 14, 839.54, its highest intraday level since March 13. The broader Topix index of all First Section issues on the Tokyo Stock Exchange was up 6.86 points, or 0.58 percent, to 1,193. 38. Advancers were led by insurance, nonferrous metal and shipping shares.