Tokyo stocks edge up over Wall Street gains

TOKYO, Oct. 18 (Xinhua) -- Tokyo stocks edged up on Friday, following overnight gains on the U.S. stock market, although weak semiconductor-related shares dampened the upward momentum.

Japan's benchmark Nikkei stock index, the 225-issue Nikkei Stock Average, rose 0.18 percent, or 70.56 points, to close at 38,981.75.

Tracking the positive performance of the U.S. stock market overnight, the Nikkei briefly r