Japanese stocks jumped Thursday morning as traders bought high-tech issues following strong U.S. earnings from Apple Computer Inc. and chip maker Advanced Micro Devices Inc. The dollar rose against the yen and euro. The Nikkei 225 index rose 124.67 points, or 1.07 percent, to 11,784.51 points on the Tokyo Stock Exchange on Thursday to end morning trade. The broader TOPIX index rose 7.79 points, or 0.66 percent, to 1,193.49 points. Technology stocks rose in Tokyo after Apple announced its sales jumped 75 percent in the second quarter and AMD said processor sales grew 38 percent, topping Wall Street forecast on Wednesday. Electronics parts makers were higher across the board. In currency trading, the dollar traded at 111.87 yen on the Tokyo foreign exchange market at 11 a.m. Thursday, up 0.45 yen from late Wednesday, but below the 112.04 yen it bought in New York later that day. The euro fell to $1.2063 from $1.2183 late Wednesday in Tokyo. The 10-year Japanese government bond rose to 1.2650 percent from Wednesday's finish of 1.2550 percent. Its price fell 0.09 to 99.42 points.