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MLI vs. RKLB: Mueller Industries vs. Rocket Lab Stock Comparison

How do Mueller Industries (MLI) and Rocket Lab (RKLB) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Mueller Industries (MLI) and Rocket Lab (RKLB) both fall under the Capital Goods industry group, but MLI is classified in Machinery while RKLB is classified in Aerospace & Defense.

Mueller Industries (MLI) has more than two decades of public-market history since February 25, 1991, whereas Rocket Lab (RKLB) listed on November 24, 2020 and has a much shorter record to draw on.

Company profile comparison for Mueller Industries (MLI) and Rocket Lab (RKLB)
Profile ItemMLIRKLB
NameMueller Industries, Inc.Rocket Lab Corporation
Country/RegionUnited StatesUnited States
GICS SectorIndustrialsIndustrials
GICS Industry GroupCapital GoodsCapital Goods
GICS IndustryMachineryAerospace & Defense
GICS Sub-IndustryIndustrial Machinery & Supplies & ComponentsAerospace & Defense
Market Capitalization11.54 billion USD33.93 billion USD
CurrencyUSDUSD
ExchangeNYSENasdaq
Listing DateFebruary 25, 1991November 24, 2020
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

MLI
RKLB
GSPC
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Mueller Industries (MLI) vs. Rocket Lab (RKLB), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Mueller Industries (MLI) and Rocket Lab (RKLB). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Mueller Industries (MLI) and Rocket Lab (RKLB). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Mueller Industries (MLI) and Rocket Lab (RKLB)
MetricMLIRKLB
Total Return (1Y)3.68%12.96%
Total Return (3Y, Annualized)44.56%138.86%
Total Return (5Y, Annualized)32.39%31.49%

Risk Profile

Drawdown History

MLI
RKLB
GSPC
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Mueller Industries (MLI) vs. Rocket Lab (RKLB), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Mueller Industries (MLI) and Rocket Lab (RKLB). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Rocket Lab (RKLB) carries a highly aggressive beta of 3.14, indicating much higher sensitivity to broad-market moves, whereas Mueller Industries (MLI) is closer to market-like at 1.01 — a noticeable difference in market-sensitivity profile.

Risk profile metrics for Mueller Industries (MLI) and Rocket Lab (RKLB)
MetricMLIRKLB
Volatility (1Y, Annualized)34.44%95.71%
Beta (5Y)1.013.14
Max Drawdown (5Y)-27.79%-78.32%
Avg. Volume (3M)1.61M19.51M

Risk-Adjusted Performance

Risk-Return Positioning

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MLI and RKLB are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Mueller Industries (MLI) and Rocket Lab (RKLB)
MetricMLIRKLB
Sharpe Ratio (1Y)-0.020.09
Sortino Ratio (1Y)-0.020.14

Profitability

ROE (TTM)

Rocket Lab (RKLB) reports a negative ROE of -7.92%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile Mueller Industries (MLI) reports 26.26%, ranking against industry peers normally.

MLI

Capital Goods industry group

26.26%

Max
40.55%
MLI
26.26%
Q3
19.29%
Median
12.12%
Q1
4.08%
Min
-17.12%

RKLB

Capital Goods industry group

-7.92%

Max
40.55%
Q3
19.29%
Median
12.12%
Q1
4.08%
RKLB
-7.92%
Min
-17.12%
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their ROE against the Capital Goods industry group benchmark.

Net Margin (TTM)

Rocket Lab (RKLB) reports a negative net margin of -21.51%, usually indicating a net loss over the period. Meanwhile Mueller Industries (MLI) reports 17.27%, ranking against industry peers normally.

MLI

Capital Goods industry group

17.27%

Max
27.47%
MLI
17.27%
Q3
12.10%
Median
6.30%
Q1
1.40%
Min
-12.89%

RKLB

Capital Goods industry group

-21.51%

Max
27.47%
Q3
12.10%
Median
6.30%
Q1
1.40%
Min
-12.89%
RKLB
-21.51%
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

Rocket Lab (RKLB) reports a negative operating margin of -24.57%, usually indicating that operating costs exceeded revenue at the operating-income line. Meanwhile Mueller Industries (MLI) reports 19.53%, ranking against industry peers normally.

MLI

Capital Goods industry group

19.53%

Max
36.60%
MLI
19.53%
Q3
18.33%
Median
11.12%
Q1
5.14%
Min
-12.63%

RKLB

Capital Goods industry group

-24.57%

Max
36.60%
Q3
18.33%
Median
11.12%
Q1
5.14%
Min
-12.63%
RKLB
-24.57%
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for Mueller Industries (MLI) and Rocket Lab (RKLB)
MetricMLIRKLB
ROE (TTM)26.26%-7.92%
ROA (TTM)16.23%-4.62%
Net Margin (TTM)17.27%-21.51%
Operating Margin (TTM)19.53%-24.57%
Gross Margin (TTM)27.25%37.26%

Growth

Revenue Growth

Rocket Lab (RKLB) at 37.96% sits in the top revenue growth quartile, while Mueller Industries (MLI) at 10.87% is closer to the peer norm — faster top-line expansion for RKLB.

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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: Mueller Industries (MLI) reports EPS growth of 29.19%, ranked against its industry; Rocket Lab (RKLB) has no EPS growth figure this period.

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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Mueller Industries (MLI) and Rocket Lab (RKLB)
MetricMLIRKLB
Revenue Growth (YoY)10.87%37.96%
Revenue Growth (3Y CAGR)1.62%41.82%
EPS Growth (YoY)29.19%--
EPS Growth (3Y CAGR)5.63%--

Financial Strength

Current Ratio (MRQ)

Both Mueller Industries (MLI) at 4.39 and Rocket Lab (RKLB) at 5.48 post current ratio above their industries’ typical mid-ranges — short-term liquidity appears comfortable, though unusually high readings can point to idle current assets.

MLI

Capital Goods industry group

4.39

Max
5.22
MLI
4.39
Q3
2.95
Median
2.08
Q1
1.43
Min
0.36

RKLB

Capital Goods industry group

5.48

RKLB
5.48
Max
5.22
Q3
2.95
Median
2.08
Q1
1.43
Min
0.36
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their current ratio against the Capital Goods industry group benchmark.

Debt / Equity (MRQ)

Both Mueller Industries (MLI) at 0.01 and Rocket Lab (RKLB) at 0.04 keep leverage in the lower quartile of their industries, with less balance-sheet debt relative to equity than most peers.

MLI

Capital Goods industry group

0.01

Max
2.33
Q3
1.12
Median
0.60
Q1
0.29
MLI
0.01
Min
0.00

RKLB

Capital Goods industry group

0.04

Max
2.33
Q3
1.12
Median
0.60
Q1
0.29
RKLB
0.04
Min
0.00
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their debt-to-equity ratio against the Capital Goods industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Mueller Industries (MLI) and Rocket Lab (RKLB)
MetricMLIRKLB
Current Ratio (MRQ)4.395.48
Debt / Equity (MRQ)0.010.04
Net Debt / EBITDA-1.31--

Dividends

Dividend Yield (TTM)

Rocket Lab (RKLB) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Mueller Industries (MLI) reports a yield of 1.24%, ranking against industry peers normally.

MLI

Capital Goods industry group

1.24%

Max
2.66%
MLI
1.24%
Q3
1.14%
Median
0.24%
Q1
0.00%
Min
0.00%

RKLB

Capital Goods industry group

0.00%

Max
2.66%
Q3
1.14%
Median
0.24%
RKLB
0.00%
Q1
0.00%
Min
0.00%
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

Rocket Lab (RKLB) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Mueller Industries (MLI) reports a payout of 16.67%, ranking against industry peers normally.

MLI

Capital Goods industry group

16.67%

Max
67.39%
Q3
28.02%
MLI
16.67%
Median
6.86%
Q1
0.00%
Min
0.00%

RKLB

Capital Goods industry group

0.00%

Max
67.39%
Q3
28.02%
Median
6.86%
RKLB
0.00%
Q1
0.00%
Min
0.00%
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for Mueller Industries (MLI) and Rocket Lab (RKLB)
MetricMLIRKLB
Dividend Yield (TTM)1.24%0.00%
Dividend Payout Ratio (TTM)16.67%0.00%

Valuation

P/E Ratio (TTM)

An earnings multiple is available for just one side: Mueller Industries (MLI) trades at 13.58 times trailing earnings, ranked against its peers, while Rocket Lab (RKLB) has no P/E ratio this period.

MLI

Capital Goods industry group

13.58

Max
59.38
Q3
35.92
Median
25.41
Q1
19.47
MLI
13.58
Min
3.03

RKLB

Capital Goods industry group

--

Max
59.38
Q3
35.92
Median
25.41
Q1
19.47
Min
3.03
RKLB
--
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): RKLB does not report P/E ratio, so it has no value marker; MLI is benchmarked against the Capital Goods industry group.

P/S Ratio (TTM)

Mueller Industries (MLI) at 2.31 prices around its industry’s typical P/S ratio, while Rocket Lab (RKLB) at 44.12 clears its benchmark range — RKLB looks notably rich on sales.

MLI

Capital Goods industry group

2.31

Max
7.54
Q3
3.76
MLI
2.31
Median
2.15
Q1
1.03
Min
0.03

RKLB

Capital Goods industry group

44.12

RKLB
44.12
Max
7.54
Q3
3.76
Median
2.15
Q1
1.03
Min
0.03
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

Mueller Industries (MLI) at 0.33 looks cheap against book in the lower P/B ratio quartile, while Rocket Lab (RKLB) at 9.09 carries a premium in the upper quartile — a clear price-to-book gap.

MLI

Capital Goods industry group

0.33

Max
9.66
Q3
5.00
Median
3.12
Q1
1.81
MLI
0.33
Min
-1.08

RKLB

Capital Goods industry group

9.09

Max
9.66
RKLB
9.09
Q3
5.00
Median
3.12
Q1
1.81
Min
-1.08
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Mueller Industries (MLI) vs. Rocket Lab (RKLB): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for Mueller Industries (MLI) and Rocket Lab (RKLB)
MetricMLIRKLB
P/E Ratio (TTM)13.58--
P/S Ratio (TTM)2.3144.12
P/B Ratio (MRQ)0.339.09
Free Cash Flow Yield (TTM)4.65%-0.74%