Tokyo stocks fell Friday with the key Nikkei index down 1.16 percent on concerns over the eurozone\'s sovereign debt crisis following the euro\'s fall against the Japanese yen. The 225-issue Nikkei Stock Average lost 98.36 points to end at 8,390.35. The broader Topix index contracted 6.68 points, or 0.91 percent, lower at 729.60. The sectors leading the decline included the sea transport, iron and steel, and nonferrous metals sectors. The only winners on Friday were the air transport and foods sectors. The turnover was about 845.6 billion yen (about 10.96 billion U. S. dollars).