In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) is on track to record a small decline. At the time of writing, the benchmark index is down 0.2% to 8,612.8 points.
Four ASX shares that are falling more than most today are listed below. Here's why they are sinking:
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Bapcor Ltd (ASX: BAP)
The Bapcor share price is down 19% to 41.7 cents. Investors have been selling this auto parts retailer's shares following the release of another disappointing update. Bapcor advised that its performance in the second half of FY 2026 has been negatively impacted by the Middle East conflict. As a result, it now expects underlying EBITDA in the range of $144 million to $150 million. This is down from its previous guidance of $150 million to $160 million. Bapcor's CEO and managing director, Chris Wilesmith, said: "We are pleased with the positive momentum of the turnaround, which has been delivered through decisive actions we've taken to improve pricing, stock availability and team engagement. This is despite the challenging external environment which was not contemplated when we began this turnaround, and which has slowed the rate of improvement contemplated in our previous guidance."
Coles Group Ltd (ASX: COL)
The Coles share price is down 3% to $20.52. This morning, the supermarket giant provided an update on proceedings brought against Coles by the Australian Competition and Consumer Commission. This was in relation to 245 products on the company's Down Down promotional program between February 2022 and May 2023. While price increases resulting from supplier cost price increases were commercially justifiable, the Federal Court found that Coles misled consumers with its Down Down tickets. It said: "The Court found that, after a cost price increase, a minimum price establishment period of 12 weeks was required before promoting products on its Down Down program. As a result, the Court found the Down Down tickets were misleading."
Graincorp Ltd (ASX: GNC)
The Graincorp share price is down 14% to $5.34. This has been driven by the agribusiness and processing company's first-half results. For the six months ended 31 March, GrainCorp reported underlying EBITDA of $136 million. This was down 33% from $202 million in the prior corresponding period. GrainCorp's managing director and CEO, Robert Spurway, said: "GrainCorp's 1H26 result reflects a disciplined performance in a challenging global grain market. Oversupply of grain and associated low pricing have compressed margins across the supply chain and reduced grower selling activity, limiting available volumes and increasing competition for grain brought to market."
Xero Ltd (ASX: XRO)
The Xero share price is down 7% to $75.22. This follows the release of the cloud accounting platform provider's FY 2026 results. Although Xero outperformed on most metrics, its profits were a miss due to higher R&D capitalisation. Outside this, it was another impressive period for Xero, driven partly by a strong performance in the key US market. Xero reported a 31% increase in operating revenue to $2.75 billion, an 18% lift in adjusted EBITDA to $757.4 million, and a 37% jump in annualised monthly recurring revenue (AMRR) to $3.27 billion.
