Japan's key stock index extends losses

The benchmark Nikkei 225 Stock Average lost 27.51 points, or 0.21 percent, to 13,237.89. The broader Topix index of all First Section issues on the Tokyo Stock Exchange slipped 0.01 percent to 1,297.88.

The Nikkei has lost more than eight percent of its value over the 12-day fall, which is the longest losing streak since the index stumbled for 15 straight trading days starting April 28, 1954.

Light, sweet crude for August delivery surged to a record close of $145.29 on the New York Mercantile Exchange Thursday and held near $145 in Asia Friday.

Among losers Friday in Tokyo were paper makers, retailers and power companies.

Oji Paper Co. fell 1.01 percent to 492 yen, and Nippon Paper Group, Inc. slipped 0.36 percent to 280,000 yen.

In a research report, Deutsche Securities analyst Katsuhiko Ishibashi said he expects earnings at both companies to fall short of forecasts this fiscal year through March, due in part to their "optimistic outlook on crude oil prices."

Major retailer Seven & i Holdings Co. lost 1.92 percent to 3,060 yen, and The Kansai Electric Power Co. closed down 0.80 percent at 2,475 yen.

Among gainers, Sony Corp. edged up 0.65 percent to 4,630 and financial group Resona Holdings, Inc. added 1.23 percent to 165,000 yen.

Gains by the dollar Thursday against the euro helped keep oil prices from rising further. The greenback strengthened after the European Central Bank raised its benchmark interest rate an expected quarter point but signaled it didn't expect additional rate hikes that might further boost the euro.