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TOKYO, May 21 (Xinhua) -- Tokyo stocks opened higher Thursday, with market sentiment lifted by U.S. shares advancing overnight, with support also coming from hopes for the full reopening of the economy here.

In the opening minutes after the morning bell, the 225-issue Nikkei Stock Average gained 127.14 points, or 0.62 percent, from Wednesday to 20,722.29.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, added 5.37 points, or 0.36 percent, at 1,500.06.

Mining, marine transportation, and glass and ceramics product-oriented issues comprised those that gained the most in early trade.