(Recasts to add details about NZX, Tokyo stock exchange outages; analyst comment)
Dec 4 (Reuters) – Nasdaq Inc on Friday apologised for an Australian stock exchange outage last month, while the operator of New Zealand’s exchange laid out steps it would take after the completion of two independent reviews into security and system issues.
The follow-up to two of a series of global stock market halts related to technology or cybersecurity this year come after the resignation of the head of the Tokyo Stock Exchange (TSE) earlier this week over a system failure.
The disruption in Tokyo halted trade in October for an unprecedented full day on the world’s third-largest equities platform.
NZX Ltd was overwhelmed by trading volumes in March and April’s coronavirus-driven sell-off, as well as a week of cyber attacks in August.
In Australia, the central bank and corporate regulator had expressed concerns over bourse operator ASX