TEPCO posted a record $15 billion loss for the financial year ended March and its under-fire president resigned to take responsibility for the worst nuclear crisis since the Chernobyl disaster 25 years ago.
Shares in the utility fell to 333 yen, down nearly 85 percent since the day before the March 11 earthquake and tsunami crippled cooling systems at the Fukushima Daiichi nuclear plant, triggering reactor meltdowns.
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