Tokyo stocks opened lower Friday tracking overnight losses on Wall Street that saw U.S. shares retreat on geopolitical concerns.

    As of 9:15 a.m., the 225-issue Nikkei Stock Average dropped 74.93 points, or 0.41 percent, from Thursday to 18,351.91.

    The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, lost 9.70 points, or 0.66 percent, to 1,458.61.

    Mining, oil and coal product, and marine transportation-linked shares comprised early notable decliners. Enditem