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Plexus (PLXS) Raised Guidance And Kept Buying Back Shares, Is It Still Undervalued?

Simply Wall St · 1d ago

Plexus guidance and buyback put fresh focus on PLXS stock

Plexus (PLXS) has drawn investor attention after issuing new earnings guidance alongside its third quarter results and an update on its ongoing share repurchase program.

The company now expects fourth quarter revenue between US$1.33b and US$1.38b, with GAAP diluted EPS in a range of US$2.18 to US$2.34 and operating margin of 5.5% to 5.9%.

See our latest analysis for Plexus.

Plexus shares have recently picked up momentum, with a 7-day share price return of 7.56% and a year to date share price return of 77.59%, alongside a 1-year total shareholder return of 108.56% that reflects both price gains and reinvested benefits.

If Plexus guidance has you rethinking where growth could come from next, it may be worth scanning for other opportunities across 56 AI infrastructure stocks

The question now is whether Plexus recent surge mainly tracks improving fundamentals such as revenue guidance and buybacks, or whether sentiment has simply become more enthusiastic. The answer starts to take shape once you look at valuation.

Most Popular Narrative: 7.8% Undervalued

Plexus last closed at $270.35, while the most followed narrative puts fair value at $293.25. This sets up a clear valuation gap for investors to assess.

Plexus is capitalizing on the growing demand for advanced electronics manufacturing fueled by digital transformation, IoT expansion, and emerging technologies like AI and connected vehicles. This is reflected in a robust pipeline of new program wins across high-growth sectors and is expected to support sustained multi-year revenue growth and larger addressable markets.

Read the complete narrative. Read the complete narrative.

Want to see what is backing that fair value gap for Plexus? The narrative focuses on compound revenue growth, firmer margins and a richer earnings multiple. The detailed projections show how those elements combine into that $293.25 figure.

Result: Fair Value of $293.25 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, Plexus still faces real pressure from customer concentration and sector cyclicality, so any order delays or weaker demand could quickly challenge that undervaluation story.

Find out about the key risks to this Plexus narrative.

Another view on Plexus valuation

The analyst narrative points to Plexus as 7.8% undervalued at $293.25 fair value, yet the current P/E of 39x tells a tougher story. That is richer than the US Electronic industry at 31.8x and also above a fair ratio of 29x that the market could move toward over time.

Peers on average trade at a much higher 72.8x P/E, which softens the picture but does not remove the risk. If sentiment cools or growth expectations are reassessed, the gap between 39x and the 29x fair ratio gives a sense of how much air might still be in the valuation.

This leaves a simple question: Is Plexus priced for too much good news already, or is this just the going rate for its growth profile in this sector?

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqGS:PLXS P/E Ratio as at Aug 2026
NasdaqGS:PLXS P/E Ratio as at Aug 2026

Next Steps

If this Plexus update leaves you torn between optimism and caution, take a moment to review the data yourself and move quickly while sentiment is still forming. To weigh both the concerns and the potential upside in one place, start with the 2 key rewards and 1 important warning sign.

Looking for more Plexus sized investment ideas?

Do not stop with Plexus. Broaden your watchlist using focused screeners that surface stocks with specific traits so you are not relying on just one story.

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.