(Bloomberg) -- Toshiba Corp. said it may write down billions of dollars of acquisitions made by U.S. unit Westinghouse Electric, helping fuel a 42 percent decline the past three days. That's on par with Mitsubishi Motor Corp.'s plunge after it manipulated mileage test data and Olympus Corp.'s drop after its accounting scandal emerged.
--With assistance from Reed Stevenson To contact the reporter on this story: Stephen Stapczynski in Tokyo at sstapczynsk1@bloomberg.net. To contact the editors responsible for this story: Ramsey Al-Rikabi at ralrikabi@bloomberg.net, Aaron Clark, Abhay Singh
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