TOKYO, Jan. 15 (Xinhua) -- Tokyo stocks advanced Monday morning as the market mood was buoyed by Wall Street's rally late last week and the yen's easing against the U.S. dollar.

The 225-issue Nikkei Stock Average gained 54.81 points, or 0.23 percent, from Friday to 23,708.63.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, added 8.15 points, or 0.43 percent, to 1,884.39.

Securities, mining and insurance-linked issues comprised those that gained the most by the morning break.