ALSO READToshiba shares slide after it says could sell more of chip business Toshiba shares drop after S&P warns of downgrade risk Toshiba shares slide 10 percent after $6.3 billion writedown Toshiba shares tumble as bigger stake in chip unit likely up for sale S&P downgrade warning sends Toshiba shares falling
Toshiba nosedived as much as 7.6 percent to 199.5 yen.
The company said on Tuesday that it is considering a sale and other strategic options for U.S. nuclear unit Westinghouse as it expanded a probe into problems there that caused it to miss an earnings deadline for a second time.
(Reporting by Ayai Tomisawa; Editing by Stephen Coates)
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