James Hardie Industries shares tumble 13% after ASX queries sudden price drop

James Hardie Industries shares dropped sharply after the ASX queried unusual trading activity and sought confirmation on disclosure compliance.

Laura Stewart

Author bio Laura Stewart is a Finance Editor at The Motley Fool, where she covers Australian and international equity markets. She joined the company in 2022, following a career transition from legal advisory work in Southeast Asia into the investment industry. Prior to her current editorial role, Laura spent three years as an Equity Analyst and Writer, producing investment research across the ASX, NYSE, and NASDAQ. Her coverage included small-cap growth companies, thematic investment ideas, and high-quality U.S.-listed businesses. Laura holds a Master of Applied Finance and brings additional expertise in accounting, taxation, and estate and wealth planning from her postgraduate studies. She also has a background in law and communications, which supports her analytical and reporting work in financial markets. Outside of work, she enjoys spending time in the Adelaide Hills with her flock of sheep. Education Laura holds a Bachelor of Laws, a Bachelor of Communication (Journalism), and a Bachelor of Commerce with majors in Accounting and Corporate Finance. In 2025, she completed a Master of Applied Finance at the University of Adelaide, receiving postgraduate awards in Accounting Concepts & Methods, Ethical Principles in Accounting & Finance, Real Estate Valuation & Investment, and Tax, Estate & Wealth Planning. Social media LinkedIn FYI – I am taking a break from social media at the moment, so this account isn’t active at the moment, but I will let you know when I rejoin. Favorite investment quote "Compound interest is the eighth wonder of the world. He who understands it, earns it... he who doesn't... pays it." — Albert Einstein

Published November 6, 2025 1:51 pm AEDT

The James Hardie Industries (ASX: JHX) share price has come under pressure today, sliding from $29.48 yesterday to a low of $24.41 following a notable spike in trading volume.

Woman with a scared look has hands on her face. — Image source: Getty Images

What did James Hardie Industries report?

The JHX share price fell by over 17% following a sharp increase in trading volumes.
ASX has queried the company regarding any undisclosed information that could explain the recent price movement.
James Hardie has been asked to clarify compliance with continuous disclosure obligations (Listing Rules 3.1 and 3.1A).
The ASX may suspend trading in JHX shares if a satisfactory response is not received by 1:00pm AEDT, 6 November 2025.

What else do investors need to know?

James Hardie Industries' recent share price drop has prompted immediate attention from the ASX, which is seeking confirmation that all market-sensitive information has been appropriately disclosed. The ASX highlighted the significant increase in JHX trading volumes as a key factor for the query.

The regulator has also reminded the company of its obligation to respond as soon as possible, and the possibility of a trading halt or suspension if responses are insufficient or not timely. These queries are standard practice when unusual market activity occurs and aim to protect investors by ensuring transparency.

What's next for James Hardie Industries?

Investors are now awaiting a formal response from James Hardie Industries regarding the recent trading activity and its compliance with disclosure rules. The outcome may influence short-term movements in the company's share price.

Depending on the company's explanation, normal trading may resume, or the ASX may implement additional measures, such as a trading halt or suspension, to protect the integrity of the market.

James Hardie Industries share price snapshot

James Hardie shares have declined 47% over the past 12 months, trailing the S&P/ASX 200 Index (ASX: XJO) which has increased 7% over the same timeframe.

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