TOKYO, April 16 (Xinhua) -- Tokyo stocks closed higher on Monday as investor sentiment turned somewhat positive on easing concerns following U.S.-led strikes on Syria over the weekend.

The 225-issue Nikkei Stock Average added 56.79 points, or 0.26 percent, from Friday to close the day at 21,835.53.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, gained 6.86 points, or 0.40 percent, to finish at 1,736.22.

Pharmaceutical, fishery and agriculture, and retail-linked issues comprised those that gained the most by the close of play.