Shares in Toshiba and Nintendo tumbled more than 12% after both reduced earnings forecasts. Broker Daiwa posted its biggest quarterly loss in more than seven years, of 53 billion yen, on a slump in investment banking, and Hitachi forecast a 700 billion yen annual loss.
Figures today showed Japanese factory output slumped by a record 9.6% in December while unemployment soared to 4.4% from 3.9%.