Tohoku Electric Falls on Warning of Another Earthquake Fault

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Tohoku Electric Power Co. fell the most in more than a week after it became the third utility to be told it may have built a nuclear plant near an active earthquake fault line.

The shares declined as much as 3.1 percent, heading for the biggest decline since Dec. 3, to 722 yen, on the Tokyo Stock Exchange today. They reversed the loss by 10:52 a.m. to trade at 747 yen, while the benchmark Tokyo Stock Price Index was little changed.