Tokyo stocks rose Wednesday morning on buying of technology shares tracking gains on Wall Street, while a weakening yen supported exporters. The 225-issue Nikkei Stock Average gained 352.47 points, or 1.06 percent, from Tuesday to 33,658.32. The broader Topix index was up 20.87 points, or 0.89 percent, at 2,359.73. On the top-tier Prime Market, gainers were led by marine transportation, electric power and gas and service issues.