Why Appen, Brightstar, Graincorp, and Northern Star shares are sinking today

In early 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 0.8% to 8,796.1 points.

Four ASX shares that are falling more than most today are listed below. Here’s why they are dropping:

Appen Ltd (ASX: APX)

The Appen share price is down 9% to $1.68. This may have been driven by profit-taking from investors after the artificial intelligence data services company’s shares rocketed last week. Investors were buying Appen’s shares following the release of a strong quarterly update. It reported revenue of $73.4 million. This was a 10% lift on the prior corresponding period and a 33% increase on the third quarter of FY 2025. Appen’s CEO, Ryan Kolln, said: “Q4 was a strong finish to the year for both our China and Global businesses. Appen China exited the quarter with an annualised revenue run-rate growing to over $135 million – a pleasing result, providing strong momentum heading into FY26.”

Brightstar Resources Ltd (ASX: BTR)

The Brightstar Resources share price is down 23% to 48.2 cents. This has been driven by the gold explorer raising funds through a major capital raising. Brightstar has received binding commitments from tier one institutional investors to raise $175 million at a discount of 50 cents per new share. Brightstar’s managing director, Alex Rovira, commented: “The near-term development of our Goldfields Hub, as shown in our DFS 2.0, enables Brightstar to underpin its position as an emerging Western Australian gold producer with a significant growth profile that will generate outstanding financial metrics and unlock significant value for our shareholders.”

Graincorp Ltd (ASX: GNC)

The Graincorp share price is down 16% to $6.07. This has been driven by the release of guidance from the grain exporter this morning. Graincorp is now forecasting underlying EBITDA of $200 million to $240 million and underlying net profit after tax between $20 million and $50 million. These are both down materially on the prior corresponding period. The company’s CEO, Robert Spurway, said: “Record global production has created an oversupply of grain, outpacing demand growth and placing downward pressure on commodity prices for the whole market. Despite strong ECA production volumes, with ABARES estimating a 2025-26 ECA winter crop of 31.2 million tonnes (mmt), the current abundance of global supply and low grain prices have reduced incentives for growers to deliver grain to market. As a result, GrainCorp is experiencing lower margins on grain handled in FY26.”

Northern Star Resources Ltd (ASX: NST)

The Northern Star share price is down 7.5% to $26.78. Investors have been selling Northern Star’s shares following a huge decline in the gold price on Friday night. It isn’t just Northern Star that is tumbling today. Most ASX gold shares are falling heavily along with it this afternoon. This has seen the S&P/ASX All Ordinaries Gold index fall 7.1% so far today.

The post Why Appen, Brightstar, Graincorp, and Northern Star shares are sinking today appeared first on The Motley Fool Australia.

More reading

• GrainCorp shares slide nearly 15%. Is this ASX 200 stock now oversold?
• GrainCorp shares: FY26 earnings guidance forecasts lower profits
• 5 things to watch on the ASX 200 on Monday
• 3 ASX 200 shares I would buy in February
• Why 4DMedical, Appen, Nine Entertainment, and ResMed shares are storming higher today

Motley Fool contributor James Mickleboro has no position in any of the stocks mentioned. The Motley Fool Australia’s parent company Motley Fool Holdings Inc. has positions in and has recommended Appen. The Motley Fool Australia has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips.