Tokyo stocks opened higher Tuesday as investors were heartened by the Bank of Japan\'s strong Tankan business survey result. At 9:15 a.m., the 225-issue Nikkei Stock Average was up 92.12 points, or 0.64 percent, from Monday at 14,547.92. The broader Topix index of all First Section issues on the Tokyo Stock Exchange was up 5.03 points, or 0.42 percent, at 1,199. 13.