Plexus (PLXS) is back in focus as investors react to its growing exposure to complex healthcare, life sciences, aerospace, and defense programs, a shift that is influencing expectations for margins and contract visibility.

At a share price of $273.01, the stock has eased 3.99% over the past day but still shows a 42.50% 90 day share price return and a 79.34% year to date share price return. The 1 year total shareholder return of 105.49% points to strong, sustained momentum.

If Plexus's surge has you thinking about where else investors are finding growth linked to advanced hardware and automation, it may be worth scanning 33 robotics and automation stocks

With Plexus trading close to recent analyst targets and valuation tools flagging the stock as potentially overvalued, the key question now is whether recent gains leave any upside or if the market is already pricing in future growth.

Most Popular Narrative: 2.8% Undervalued

Against Plexus's last close at $273.01, the most widely followed narrative points to a fair value of $280.75, leaving a modest implied discount and a lot of attention on what is driving that gap.

The company's increasing success in winning programs in high-margin, complex sectors such as healthcare/life sciences, aerospace, and defense (including strong defense pipeline in Europe and record sector wins), is shifting the revenue mix toward segments with higher pricing power and more stable, long-term contracts, this should positively impact both revenue consistency and net margin expansion.

To see why this narrative still finds upside at a price already near all time highs, and which revenue and margin assumptions sit underneath that fair value, the full breakdown lays out a multi year earnings path, implied profit profile, and a future P/E that many investors usually associate with faster growing electronics companies.

Result: Fair Value of $280.75 (UNDERVALUED)

However, this depends on customers following through with orders and on Plexus containing cost and margin pressure from new facilities and rising competition in electronics manufacturing services.

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Another View: Cash Flows Tell a Different Story

While the popular narrative points to a modest 2.8% upside to $280.75, the SWS DCF model paints a sharper contrast, with an estimated future cash flow value of $60.26 per share, which is far below the current $273.01 price and implies Plexus is heavily overvalued on this lens.

That kind of gap raises a straightforward question for you as an investor: are analyst growth and margin assumptions too cautious, or is the cash flow model flagging valuation risk that recent share price momentum is glossing over?

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Plexus for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 49 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

With sentiment clearly split between upside potential and valuation risk, this is a moment to move quickly and test the assumptions for yourself by weighing the 2 key rewards and 1 important warning sign.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.