TOKYO, March 9 (Xinhua) -- Tokyo stocks closed higher Friday although gains were pared as investors took a cautious stance ahead of key U.S. jobs data and on concerns new U.S. tariffs could trigger a trade war.

The 225-issue Nikkei Stock Average gained 101.13 points, or 0.47 percent, from Thursday to close the day at 21,469.20.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, added 5.53 points, or 0.32 percent, to finish at 1,715.48.

Construction, machinery and metal product-linked issues comprised those that gained the most by the close of play.