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TrustFinance Global Insights
Mar 05, 2026
2 min read
8

Major Australian mining stocks, including Rio Tinto and BHP Group, experienced a decline on Thursday as their shares began trading ex-dividend. This technical adjustment reflects the removal of entitlement to the latest dividend payout for new buyers.
Mining giant BHP Group Ltd (ASX:BHP) saw its shares slip by 1.6% after going ex-dividend for A$1.03 per share. Similarly, Rio Tinto Ltd (ASX:RIO) edged down as it traded without entitlement to its A$3.60 per share dividend.
Other resource companies followed the trend, with energy producer Woodside (ASX:WDS) falling 2% and mineral sands producer Iluka Resources Ltd (ASX:ILU) also adjusting lower.
The decline in these heavyweight mining stocks exerted mild downward pressure on the Australian market. This occurred even as the broader Asian markets showed positive momentum, highlighting the localized impact of the ex-dividend event.
The price drops are a standard market convention where a stock's price is adjusted to reflect the dividend being paid out. Investors will now be watching for fundamental drivers to guide future price movements beyond this technical adjustment.
Q: Why do stocks typically fall on their ex-dividend date?
A: A stock's price generally drops by an amount roughly equal to the dividend on the ex-dividend date because new investors purchasing the stock are no longer eligible to receive that declared payment.
Q: Which major companies were affected?
A: The primary companies mentioned were Rio Tinto, BHP Group, Woodside, Iluka Resources, and Perseus Mining.
Source: Investing.com

TrustFinance Global Insights
AI-assisted editorial team by TrustFinance curating reliable financial and economic news from verified global sources.
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