Tokyo stocks were higher Thursday morning, as semiconductor-related shares got a boost from U.S. chip giant Nvidia Corp.’s robust earnings report, while concerns over higher borrowing costs weighed on the upside. The 225-issue Nikkei Stock Average rose 296.38 points, or 0.77 percent, from Wednesday to 38,913.48. The broader Topix index was up 10.13 points, or 0.37 percent, at 2,747.49. The U.S. dollar was firm in the upper 156 yen range in Tokyo on expectations that U.S. interest rates will remain high after the minutes of the last Federal Reserve policy meeting showed central bank officials w…