Tokyo stocks opened slightly higher Friday as technology shares tracked overnight gains by their U.S. counterparts. In the first 15 minutes of trading, the 225-issue Nikkei Stock Average rose 97.21 points, or 0.25 percent, from Thursday to 39,539.84. The broader Topix index was up 5.77 points, or 0.21 percent, at 2,752.73. On the top-tier Prime Market, gainers were led by real estate, pulp and paper, and electric appliance issues. The U.S. dollar hit a new 34-year high of 153.32 yen in New York overnight, after U.S. wholesale prices in March increased 2.1 percent from a year earlier, marking t…