By Christine Chen and Scott Murdoch

SYDNEY, Dec 3 (Reuters) – The Australian Securities Exchange’s technology turnaround plan, touted by the firm’s chair as being too important to fail, is facing questions from investors and market participants after it was hit by a fresh outage this week, the latest in a string of failures.

About 80 companies with price-sensitive disclosures were placed in a trading halt on Monday after the ASX’s announcement platform collapsed, leaving hundreds of statements unable to be published.

The disruption highlights reputational risks for ASX as it struggles to overhaul aging systems. The failure has raised questions about governance and operational resilience, issues that investors say are critical for maintaining market integrity.

“It was, frankly, embarras

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