TOKYO, Oct. 13 (Xinhua) -- Tokyo stocks were mixed Friday morning, with the Nikkei index topping 21,000 for the first time in 21 years, as investors were pulled between taking profits after the market's lengthy winning streak and buying based on optimism for corporate earnings.
The 225-issue Nikkei Stock Average gained 48.78 points, or 0.23 percent, from Thursday to 21,003.50.
The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, shed 0.88 point, or 0.05 percent, to 1,699.25.
Air transportation and retail issues comprised those that gained the most, whereas mining and bank-related issues led decliners before the morning break.