The tech giant's shares fell by 5.85%
Shares in Toshiba have lost almost a third of their value in the past three months
Facing writedown, it aims to complete the sale by the end of the financial year in March
Company will unveil the extent of the write-down on Feb 14 when its reports Q3 results
Operating profit is forecast at 130 billion yen ($1.13 billion) for the year to end-March
The industrial conglomerate has distributed non-disclosure agreement forms to various funds
Shares in Toshiba plunged 16% on Thursday on reports of bigger-than-expected $6 billion writedowns
Toshiba declined to comment on the reported writedowns and its plans for meeting with banks
Western Digital operates a NAND flash memory plant in the city of Yokkaichi in Mie prefecture with Toshiba
Over the three days, the company's market value declined by an approximately 781 billion yen ($6.70 billion)
Toshiba shares took an immediate hit, falling 20% to hit the Tokyo exchange's daily downward limit
Charges related to US nuclear power acquisition sent company's stock tumbling
The loss relates to the acquisition of Chicago Bridge & Iron's nuclear business unit in Oct 2015
Toshiba shares rose on the day, trading up 3.2 per cent at 366.4 yen
Over the conglomerate's $1.3 billion accounting scandal
Its sales turnover was $51 billion, 7.3% less than that in 2014
The company is trying to recover from an accounting scandal that has forced the sale of assets and executive resignations
Toshiba overestimated its revenue from sales between 2012 and 2013 by around $2 billion
Toshiba expects a whopping loss of about 710 billion yen for the year ending March