Mueller Industries (MLI) is in focus after reporting second quarter 2026 earnings, with sales of US$1,427.92 million and net income of US$249.66 million, attracting fresh attention from investors.

Mueller Industries' latest earnings have arrived alongside a share price of US$64.17. The 7 day share price return is 8.82% and the year to date share price return is 9.87%, while the 1 year total shareholder return is 47.58% and the 5 year total shareholder return is very large, suggesting momentum has been building over time despite a 90 day share price return that is down 5.38%.

If these earnings have you thinking about where else capital goods exposure could come from, take a look at 8 top copper producer stocks as a starting point for other copper related opportunities.

After a strong 1 year run and a recent earnings bump, it is fair to ask whether Mueller Industries is better approached as a buy on momentum or one to wait on for a more attractive entry. The valuation signals offer some clues next.

Preferred P/E of 16.7x: Is it justified?

On current numbers, Mueller Industries trades on a P/E of 16.7x, which looks restrained given how it stacks up against both its own history and peers.

The P/E ratio compares the share price to earnings per share. For a company like Mueller Industries in the capital goods space, it is a quick way for you to see how much the market is paying for each dollar of earnings, and whether that lines up with recent profit trends.

Here, several pieces line up in the same direction. Mueller Industries is assessed as good value on P/E when compared with its own estimated fair P/E of 26.8x, and it is also described as trading at good value relative to peers and the wider US Machinery industry. The company’s earnings growth over the past year of 20% is ahead of the Machinery industry’s 2.2%, and earnings have grown by 11.2% per year over the past 5 years, with last year’s growth faster than that 5 year pace. That mix suggests the current earnings profile is stronger than a typical Machinery stock while the valuation multiple is lower.

The contrast with peers is also clear. Mueller Industries’ P/E of 16.7x sits below the US market at 19.1x, below the peer average of 34.3x and below the US Machinery industry average of 28.2x. Those gaps are material and point to a level of pricing that could move closer to the fair P/E estimate if earnings quality and growth trends stay intact. Explore the SWS fair ratio for Mueller Industries

Result: Price-to-Earnings of 16.7x (UNDERVALUED)

However, the recent 90 day share price decline of 5.38% and Mueller Industries' reliance on cyclical capital goods demand both leave room for sentiment to shift quickly.

Another view on Mueller Industries valuation

While the P/E work suggests Mueller Industries looks inexpensive, the SWS DCF model points in a different direction. On this measure, the stock price of US$64.17 sits slightly above an estimated future cash flow value of US$63.91, which tilts the result toward modest overvaluation. That gap is small, but it raises a useful question for you as an investor: Should earnings strength or cash flow assumptions carry more weight in your own process?

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Mueller Industries 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 51 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

The mix of valuation signals and recent share price moves around Mueller Industries has created plenty for investors to debate. If you want to move quickly and ground your own view in the underlying data, take a closer look at the company’s 4 key rewards

Looking for more investment ideas beyond Mueller Industries?

If Mueller Industries has sharpened your focus on opportunities, do not stop here. Broaden your watchlist with fresh ideas that match different goals and risk levels.

• Target potential value opportunities by scanning 51 high quality undervalued stocks that pair appealing pricing with solid underlying fundamentals.
• Strengthen your income focus by reviewing 8 dividend fortresses that aim to combine higher yields with resilience.
• Prioritise capital protection by checking 84 resilient stocks with low risk scores built around sturdier business profiles and lower risk scores.

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.