In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) is on course to record a disappointing decline. At the time of writing, the benchmark index is down 1.35% to 8,402 points.
Four ASX shares that are not letting that hold them back are listed below. Here's why they are rising:
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AMP Ltd (ASX: AMP)
The AMP share price is up 4% to $1.30. Investors have been buying the financial services company's shares after it announced an on-market share buyback. AMP advised that it will begin buying back up to $150 million of ordinary shares on-market following the release of its first quarter update next month. AMP's chief executive, Alexis George, said: "We remain committed to returning surplus capital to shareholders in the absence of a compelling alternative, and prioritising organic growth in our wealth businesses. Today's announcement demonstrates this, with an on-market share buyback the most efficient use of capital at this time."
Greatland Resources Ltd (ASX: GGP)
The Greatland Resources share price is up almost 8% to $10.51. This has been driven by an update from the gold miner this morning. Greatland Resources revealed a 150% increase in the Telfer project's gold mineral resources to 8.0 million ounces. This means that the combined Telfer and Havieron resources now total 14.9 million ounces of gold and 645,000 tonnes of copper. The company's managing director, Shaun Day, said: "Telfer and Havieron's combined resource of 550Mt @ 0.84g/t Au & 0.12% Cu for 14.9Moz Au & 645Kt Cu has the potential to underpin a multi-decade, world class mining hub. Our investment in significantly increased drilling has delivered substantial organic growth, with the overall Telfer resource growing by 150% to 8.0Moz, and the higher confidence Measured and Indicated component by 163% to 3.8Moz."
Minerals 260 Ltd (ASX: MI6)
The Minerals 260 share price is up 5% to 63.2 cents. This follows the release of further positive results from the ongoing drilling program at its 100% owned 4.5Moz Bullabulling Gold Project in Western Australia. Commenting on the results, Minerals 260's managing director, Luke McFadyen, said: "Drilling results received since the December 2025 MRE continue to reinforce our confidence in the growth potential of the MRE. The current program is focused on both expanding the resource and upgrading classifications, particularly within shallow areas targeted for early mining, while also testing high-priority extension targets at depth and along strike."
Woodside Energy Group Ltd (ASX: WDS)
The Woodside Energy share price is up 3% to $35.43. Investors have been buying Woodside and other ASX energy shares today after oil prices surged on Friday night. This was in response to escalating tensions in the Middle East. The S&P/ASX 200 Energy index is up 2.9% at the time of writing.
