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Fujitsu still investigating causes of Tokyo stock bourse outage, says CEO

TOKYO, Oct 5 (Reuters) - Fujitsu Ltd, the developer of the Tokyo Stock Exchange’s trading system, is still investigating causes of the bourse’s worse-ever outage last week, the company’s chief executive said on Monday.

“We will make utmost efforts to find the causes and prevent recurrences of such troubles,” Takahito Tokita said at a briefing on Fujitsu’s digital strategy, in his first public appearance since the TSE outage paralysed the world’s third-largest equity market.

The TSE has said the glitch was the result of a hardware problem at its “Arrowhead” trading system, and a subsequent failure to switch to a back-up. It caused the first full-day suspension since the exchange switched to all-electronic trading in 1999. (Reporting by Makiko Yamazaki; Editing by Muralikumar Anantharaman)

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