Tokyo stocks open lower following Wall Street's overnight retreat

TOKYO, May 12 (Xinhua) -- Tokyo stocks opened lower on Friday as the market mood was dampened by U.S. shares retreating overnight on Wall Street.

As of 9:15 a.m., the 225-issue Nikkei Stock Average lost 40.31 points, or 0.20 percent, from Thursday to 19,921.24.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, dropped 4.67 points, or 0.29 percent, to 1,582.19.

Nonferrous metal, real estate, and iron and steel-linked stocks comprised those that retreated the most in early trade.