TOKYO (Reuters) - Tokyo's broad benchmark TOPIX index edged up to a five-year closing high on Wednesday, with turnover hitting a record as major banks, such as Mitsubishi UFJ Financial Group Inc., extended recent gains on earnings optimism.

Investors shrugged off the previous day's worst-ever suspension at the Tokyo Stock Exchange, which stopped trading of shares in more than 2,300 companies for most of the session.

"To be honest, I don't think market players care that much about what happened," said Terushi Hirotama, head of trading at Ichiyoshi Securities. "The bullish fundamentals of Tokyo stocks and the TSE's system crash should be considered as totally separate issues."

Some auto makers lost ground following U.S. data showing a fall in car sales. Pre-holiday selling also weighed on some recent gainers, such as real estate developer Mitsui Fudosan Co. Ltd. and nonlife insurer Millea Holdings Inc.

Fujitsu Ltd. inched down 0.1 percent to 751 yen after falling 1.6 percent on Tuesday, when the Tokyo bourse, Asia's biggest, said the failure of trading-system software developed by Fujitsu was behind the suspension.

"Stocks such as insurance and real estate firms were avoided today only because they are out of the rotation," said Kazuhiro Takahashi, general manager at Daiwa Securities SMBC's equity planning and administration department.

Mitsui Fudosan, Japan's largest property developer, was down 1.8 percent at 1,934 yen. The company's bigger-than-expected profit for the April-September half had boosted the shares to 1,984 yen on Tuesday, the highest level in more than a decade.

Some analysts said optimism was buoyed as concerns eased about the strength of the U.S. economy, a main Japanese trading partner, and as chances improved that buying will spread to high-tech exporters, some of which were expected to revise up annual estimates in coming months.

"We've been seeing steady profit growth in the current earnings season," said Hitoshi Yamamoto, president at Commerz International Capital Management (Japan).

The dollar scored a two-year high above 116.80 yen in Tokyo on Wednesday after the Federal Reserve raised interest rates for the 12th straight time a day earlier.

Kenichi Hirano, strategist at Tachibana Securities, said of the 2,711 Japanese firms whose financial year ends in March, parent-only recurring profit forecasts for the second half of the year totalled 10.65 billion yen ($91.33 million), down 1 percent from the first half, suggesting companies were cautious about their business outlook.

In the auto sector, Nissan Motor Co. Ltd., Japan's second-biggest auto maker, lost 1.7 percent to 1,192 yen after U.S. industry data late on Tuesday showed the company's auto sales fell 13.3 percent in October from a year earlier.

No. 6 Mazda Motor Corp., whose U.S. sales fell 4.7 percent in October, lost 2.9 percent to 545 yen despite solid earnings announced in the morning.

In contrast, Minebea Co. Ltd., Japan's biggest miniature-ball-bearing maker, soared 9.8 percent to 505 yen after UBS and Goldman Sachs separately raised their ratings in the wake of the company's earnings.

Sanyo Electric Co. Ltd. shot up 12.5 percent to 270 yen after the struggling electronics maker said an executive from its main bank would join its management, easing investor concerns about bank support.

In a report on Monday, the Bank of Japan raised its forecasts for consumer prices and economic growth, fuelling expectations that an end to its current super-loose policy would boost major banks' earnings, which are sensitive to rises in interest rates.

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