Tokyo stocks fell Monday for the first time in five trading days as tepid Japanese and Chinese economic data encouraged investors to cash in on recent gains.The 225-issue Nikkei Stock Average ended down 153.93 points, or 1.01 percent, from Friday at 15,120.14. The broader Topix index of all First Section issues on the Tokyo Stock Exchange finished 9.36 points, or 0.76 percent, lower at 1,227.61.