Toshiba president Satoshi Tsunakawa has said the company may sell its majority stake in US nuclear unit Westinghouse.
The struggling electronics firm bought Westinghouse in 2006, but it has suffered huge cost over-runs.
Toshiba has also been given permission to delay reporting its earnings for a second time – this time until 11 April.
Mr Tsunakawa said: “We are working on nurturing our growth businesses to return to stable growth by fiscal years 2018 and 2019.”
Shares in the company rallied late on Tuesday, closing up 0.5% in Tokyo after earlier falling by