The S&P/ASX 200 Index (ASX: XJO) is having a solid session. In afternoon trade, the benchmark index is up 0.5% to 8,235.2 points.

Four ASX shares that are rising more than most today are listed below. Here's why they are climbing:

Chrysos Corporation Ltd (ASX: C79)

The Chrysos Corporation share price is up 19% to $4.91. This follows news that the mining technology company has signed an agreement with gold giant Newmont Corporation (ASX: NEM). The agreement will see Newmont use Chrysos' PhotonAssay technology for its gold mining projects. The two parties have also entered into a contract for an initial PhotonAssay unit to be installed at its Ahafo mine in Ghana, with deployment expected in the first half of FY 2026. Chrysos CEO Dirk Treasure commented: "We are proud to have secured both a Master Services Agreement and an initial lease contract with the industry's leading gold miner."

GQG Partners Inc (ASX: GQG)

The GQG Partners share price is up 5.5% to $2.28. Investors have been buying this investment company's shares following the release of latest funds under management (FUM) update. GQG Partners reported FUM of US$163.6 billion. This is up from US$161.9 billion at the end of March. The company also announced its quarterly dividend, which will be 5.87 cents per share. This annualises to a dividend yield just over 10%.

Macquarie Group Ltd (ASX: MQG)

The Macquarie Group share price is up almost 5% to $205.28. This has been driven by the release of the investment bank's full year results this morning. Macquarie reported a net profit of $3.72 billion for the 12 months. This was up 5% year on year and slightly ahead of consensus estimates. Commenting on the result, CEO Shemara Wikramanayake said: "Against a backdrop of ongoing market and economic uncertainty, Macquarie's client franchises remained resilient over the past year, delivering new business origination and underlying income growth, contributing to our history of unbroken profitability."

Webjet Group Ltd (ASX: WJL)

The Webjet Group share price is up 4% to 83.5 cents. This morning, this online travel agent revealed that an undisclosed buyer was looking to acquire an additional 5% stake. It said: "WJL became aware after market close of an undisclosed buyer seeking to acquire up to 5.0% of the shares in WJL (excluding current interest) representing approximately 19.6 million shares in WJL at a fixed cash price of $0.80 per share, with the ability to increase the offer size at the buyer's discretion. The undisclosed buyer is said to have an undisclosed interest below 5%."