Tokyo stocks rose Wednesday morning, as financial issues were bought on hopes for improved profits amid higher Japanese long-term interest rates, while a weaker yen lifted export-related shares. The 225-issue Nikkei Stock Average gained 55.36 points, or 0.13 percent, from Tuesday to 41,635.53. The broader Topix index was up 2.61 points, or 0.09 percent, at 2,898.16. The U.S. dollar edged up to the mid-161 yen range on prospects that the interest rate differential between the United States and Japan will remain wide, after Federal Reserve Chair Jerome Powell provided no hints about the timing o…