Why Argan Stock Topped the Market Today

Source The Motley Fool

Key Points

  • With considerable momentum already behind the stock, that isn't likely to have a material effect on investor sentiment.

  • Yet it enhances the company's reputation as an enterprise to watch.

  • 10 stocks we like better than Argan ›

Inclusion in a famous family of stock indexes was the fuel propelling Argan's (NYSE: AGX) equity to a double-digit gain on Monday. The industrial construction specialist, already a popular investment thanks to its involvement in artificial intelligence (AI) build-outs of data centers, saw its share price rise by nearly 13% that trading session.

One of 600

After market close on Friday, S&P Dow Jones Indices -- a key business unit of financial information and data company S&P Global -- announced a raft of changes to its indexes.

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Young person at a desk using a PC and tablet computer simultaneously.

Image source: Getty Images.

Argan was tapped to join the S&P SmallCap 600 index. It was one of 16 such "graduations" in a class that included stocks such as rideshare company Lyft, dating website operator Match Group, and Sphere Entertainment.

Argan, along with most of the others, will formally become an index component before market open on Monday, March 23.

Good timing

Despite a third-quarter earnings report that missed the consensus analyst revenue estimate -- and therefore led to a brief sell-off -- Argan's stock has done extremely well lately. It's in the right business at the right time with its AI data center activity, and it should also benefit from the Trump administration's desire to build out American infrastructure.

I don't think the S&P SmallCap 600 will make investors any more bullish on the stock than they already are, though it's inarguably a feather in Argan's cap.

Should you buy stock in Argan right now?

Before you buy stock in Argan, consider this:

The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and Argan wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years.

Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $534,008!* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,090,073!*

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*Stock Advisor returns as of March 9, 2026.

Eric Volkman has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Lyft and S&P Global. The Motley Fool recommends Match Group. The Motley Fool has a disclosure policy.

Disclaimer: For information purposes only. Past performance is not indicative of future results.
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