Tokyo stocks fell Wednesday morning, as technology and real estate issues were sold on concerns about higher borrowing costs as the yield on the benchmark 10-year Japanese government bond hit a new 11-year high. The 225-issue Nikkei Stock Average dropped 227.58 points, or 0.58 percent, from Tuesday to 38,719.35. The broader Topix index was down 14.89 points, or 0.54 percent, at 2,744.83. The yield on the benchmark government bond briefly climbed 0.005 percentage point from Tuesday’s close to 0.985 percent, its highest level since May 2013. The debt was sold, sending the yield higher, amid spec…