Why 29Metals, Atlas Arteria, IDP Education, and Mineral Resources shares are falling

These ASX shares are having a tough time on Tuesday. But why?

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In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) is on course to record a small decline. At the time of writing, the benchmark index is down 0.1% to 7,801.1 points.

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

29Metals Ltd (ASX: 29M)

The 29Metals share price is down 24% to 41 cents. This morning, the copper miner announced the suspension of operations at Capricorn Copper. This follows an extended period of rainfall between late January and mid-March resulting in a steady accumulation of water in regulated structures on site to levels now similar to the levels following the March 2023 extreme weather event.

Atlas Arteria Group (ASX: ALX)

The Atlas Arteria share price is down 5% to $5.07. This has been driven partly by the toll road company's shares going ex-dividend this morning. Eligible shareholders can now look forward to receiving the company's 20 cents per share interim dividend next month on 8 April.

IDP Education Ltd (ASX: IEL)

The IDP Education share price is down 4% to $17.35. This morning, this language testing and student placement company announced the appointment of Kate Koch as its new chief financial officer (CFO). However, due to Koch needing to serve a six-month notice period at Seek Ltd (ASX: SEK), she won't join until the start of October. This means that IDP Education will be operating without an actual CFO for the next six months.

Mineral Resources Ltd (ASX: MIN)

The Mineral Resources share price is down 4% to $66.93. This may have been caused by a broker note out of Morgans this morning. Its analysts have downgraded the mining and mining services company's shares to a hold rating with a $71.00 price target. The broker made the move on valuation grounds following a decent run.

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