The S&P/ASX 200 Index (ASX: XJO) is on course to start the week with a small decline. In afternoon trade, the benchmark index is down 0.15% to 8,590.6 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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Bellevue Gold Ltd (ASX: BGL)
The Bellevue Gold share price is up 3.5% to 95.7 cents. Investors have been buying this gold miner's shares following the release of its quarterly update. The company revealed that it had a strong finish to the year and exits FY 2025 with record production rates.It advised: "Gold production for the June 2025 quarter was 38,941oz, following a record 287k tonnes processed at 4.5 g/t and 94.4% recovery. During the month of June 2025, recoveries were ~95% following modifications implemented as part of the plant upgrade during the quarter."
Cobram Estate Olives Ltd (ASX: CBO)
The Cobram Estate Olives share price is up almost 12% to $2.40. Investors have been buying the olive oil company's shares following the release of a business update. According to the release, the company has completed its 2025 Australian olive harvest. This has seen it mill over 80,000 tons of olives, which has resulted in total olive oil production of 14.2 million litres. This is up from 10.1 million litres in 2024. In addition, the company released its full year results forecast. It expects underlying EBITDA of $115 million for FY 2025. This is up 72% from $66.7 million in FY 2024.
Hub24 Ltd (ASX: HUB)
The Hub24 share price is up almost 3.5% to $94.90. This appears to have been driven by the release of a broker note out of UBS this morning. According to the note, the broker has upgraded Hub24's shares to a buy rating (from neutral) with an improved price target of $105.00 (from $74.00). The broker is positive on the outlook for specialty investment platforms and has a preference for Hub24 due to its strong adviser growth.
Nanosonics Ltd (ASX: NAN)
The Nanosonics share price is up 4% to $4.00. This morning, this infection prevention company announced the launch of two new products. The first is the new trophon3 product, which delivers a range of new customer benefits while maintaining the highest standard in clinical efficacy for patient safety. The other product is trophon2 Plus. It is a new software upgrade package that makes all the key new trophon3 features available to existing trophon2 users for upgrade. Nanosonics' CEO and President, Michael Kavanagh, said: "trophon3 and trophon2 Plus set a new benchmark in automated high-level disinfection for ultrasound transducers, upholding the trophon technology's market leadership position."