by Mark Chediak Writedown related to dispute over value of Westinghouse deal Toshiba rating cut to BB at R&I ; watched for further downgrade
Nuclear Nightmare : Why Toshiba Shares Are Plunging
Toshiba Corp. plunged by the most on record as the once heralded U.S. nuclear renaissance turns into a nightmare for the Japanese company.
The shares fell by 20 percent, the most since 1974, according to available data, to close at 312 yen in Tokyo, following a (…)