In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) is on course to record a decline. At the time of writing, the benchmark index is down 0.6% to 8,646.5 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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Flight Centre Travel Group Ltd (ASX: FLT)
The Flight Centre share price is up 3.5% to $10.53. This morning, the travel agent giant released a trading update and revealed solid growth financial year to date. Flight Centre achieved underlying profit before tax (UPBT) growth of 9.7% to $226.4 million and total transaction value (TTV) growth of 7.6% to $19.5 billion for the nine months to 31 March. The company's CFO, Adam Campbell, said: "We've seen strong momentum in both our corporate and leisure businesses, despite a challenging travel environment. Our people have gone above and beyond for customers, and our focus on technology and efficiency continues to deliver returns."
Sigma Healthcare Ltd (ASX: SIG)
The Sigma Healthcare share price is up 4% to $2.94. Investors have been buying the Chemist Warehouse owner's shares after it released a strong update and revealed plans to enter the UK market. It revealed that Australian Chemist Warehouse branded store network sales increased 16.7% for the financial year to date through to 30 April 2026. Chemist Warehouse international store sales increased 24.7%. Sigma's CEO, Vikesh Ramsunder, said: "Our operational performance is pleasing with momentum sustained throughout the year reinforcing the defensive nature of our business model and continued execution of our growth strategy. International expansion is one of our four key strategic growth pillars. Having proven that the Chemist Warehouse model resonates with customers in other markets, including New Zealand and Ireland, the JV with GreenLight now provides a measured market access into the UK."
Vault Minerals Ltd (ASX: VAU)
The Vault Minerals share price is up 5% to $4.72. This morning, the gold miner announced an agreement to merge with Regis Resources Ltd (ASX: RRL). The agreement will see Regis Resources acquire 100% of Vault Minerals via a scheme of arrangement. Vault Minerals shareholders will receive 0.6947 Regis shares for each share held. The Vault Minerals board has unanimously recommended the scheme. This is in the absence of a superior proposal and subject to an independent expert's endorsement.
WiseTech Global Ltd (ASX: WTC)
The WiseTech Global share price is up 5% to $46.03. This appears to have been driven by the release of a presentation from the logistics solutions technology company today. In the presentation, WiseTech reaffirms its guidance for underlying EBITDA of $550 million to $585 million in FY 2026.