TOKYO, May 20 (Xinhua) -- Tokyo stocks were mixed Monday morning as sentiment was buoyed by Japan's January-March GDP growth, though concerns over the outlook for the global economy continued to weigh.

The 225-issue Nikkei Stock Average gained 57.75 points, or 0.27 percent, from Friday to 21,307.84.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, dropped 0.91 points, or 0.06 percent, at 1,553.34.

Real estate, farm and fishery, and land transportation-linked issues comprised those that gained the most by the morning break.