Tokyo Stock Exchange to resume trading Friday after outage debacle

The Tokyo Stock Exchange (TSE) said normal trading would resume on Friday morning as planned, a day after the worst-ever outage brought the world's third-largest equity market to a standstill. The glitch was the result of hardware problem at its "Arrowhead" trading system, and a subsequent failure to switch to a back-up, the bourse said on Thursday.

The Tokyo Stock Exchange (TSE) said normal trading would resume on Friday morning as planned, a day after the worst-ever outage brought the world's third-largest equity market to a standstill.

The glitch was the result of a hardware problem at its "Arrowhead" trading system, and a subsequent failure to switch to back-up, the bourse said on Thursday. It caused the first full-day suspension since the exchange switched to all-electronic trading in 1999.

The outage came on a day of high anticipated trade volume following the release of the Bank of Japan's closely watched tankan corporate survey and rise on Wall Street. The meltdown also occurred just two weeks into new Prime Minister Yoshihide Suga's term - during which he has prioritized digitalization - and undermined Tokyo's hopes of replacing Hong Kong as an Asian financial hub.

Officials from the Tokyo Stock Exchange and Japan Exchange Group Inc, which runs the bourse, apologized for the debacle on Thursday and said the fundamental cause was still unknown. The system's developer, Fujitsu Ltd, also apologized and said any findings would be disclosed through the exchange. It declined to comment on any compensation issues, while TSE Chief Executive Officer Koichiro Miyahara said the bourse had no plans for now for any compensation claims, taking "full responsibility" for the shutdown.

Ahead of the 9:00 a.m. (0000 GMT) open, shares in Fujitsu were indicated to tank.

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