Engineers at Japan's crippled nuclear plant, who are struggling to regain control of reactors, are now concerned that some spent fuel rods may have been damaged by the March 11 earthquake and tsunami and could be emitting high levels of radiation.
A Reuters poll released on Thursday found business confidence, which had been recovering, fell back into negative territory for the first time this year, with the gloom spreading through both the manufacturing and service sectors.
The Reuters Tankan survey of 400 large firms found power shortages caused by the crippled Fukushima Daiichi nuclear plant had hit nearly 60 percent of local companies, disrupting production and supply chains.
The disruption to Japan's supply chains has had a global impact, with Sony Corp suspending production and the world's largest automaker Toyota Motor Corp idling plants both locally and in the United States.
The IMF has warned that unless Japan can end its nuclear crisis soon and restore power and production to normal in two to three months, its economy is set for further decline.
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