In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) is on track to end the shortened session with a small decline. At the time of writing, the benchmark index is down 0.1% to 8,706.7 points.
Four ASX shares that are falling more than most today are listed below. Here’s why they are dropping:
4DMedical Ltd (ASX: 4DX)
The 4DMedical share price is down 3% to $3.93. This is despite there being no news out of the medical technology company on Wednesday. However, it is worth noting that its shares have been on fire this year, so there’s potential for some profit-taking going on today. For example, since the start of the year, 4DMedical shares have risen by an astonishing 700%+. This has been driven by regulatory approval milestones and major contract winds for its exciting technology.
Guzman Y Gomez Ltd (ASX: GYG)
The Guzman Y Gomez share price is down 1.5% to $21.58. This Mexican food focused quick service restaurant operator’s shares have come under significant pressure this year. So much so, they are now down by approximately 46% year to date. This has been driven by valuation concerns and its disappointing performance in the United States market. Investors appear to believe that its expansion in the massive market could be a flop.
Lynas Rare Earths Ltd (ASX: LYC)
The Lynas Rare Earths share price is down 1.5% to $12.40. This could also be due to profit-taking from some investors. After all, even after today’s weakness, this rare earths producer’s shares are up almost 90% since the start of the year. Supply concerns have given rare earths stocks a major boost in 2025.
Predictive Discovery Ltd (ASX: PDI)
The Predictive Discovery share price is down 3% to 74.2 cents. This is despite news that Robex Resources (ASX: RXR) shareholders have approved the proposed merger with Predictive Discovery. The gold miner’s CEO and managing director, Andrew Pardey, was very pleased with the news. He said: “We are delighted with the strong support shown by Robex shareholders for the Transaction, which has the potential to create significant value for shareholders of the combined company. The Transaction consolidates two of the largest, lowest cost and most advanced gold projects in West Africa â Bankan and Kiniero â within a combined group with the execution capability and funding strength to grow into a significant gold producer with expected production of more than 400,000oz per annum1 by 2029.”
The post Why 4Medical, Guzman Y Gomez, Lynas, and Predictive Discovery shares are falling today appeared first on The Motley Fool Australia.
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More reading
- Why Aeris Resources, Cobram Estate, EOS, and Robex shares are charging higher today
- ASX gold stock tumbles on big merger news
- 2 ASX shares to buy and hold for the next decade!
- Why did these ASX shares outperform their peers in 2025?
- Why these ASX 200 stocks could rise 45% to 50% in 2026
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 recommended Lynas Rare Earths Ltd. 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.
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