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RETO vs PESI vs CLFD vs AEYE vs MLM

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
RETO
ReTo Eco-Solutions, Inc.

Construction Materials

Basic MaterialsNASDAQ • CN
Market Cap$356K
5Y Perf.-100.0%
PESI
Perma-Fix Environmental Services, Inc.

Waste Management

IndustrialsNASDAQ • US
Market Cap$207M
5Y Perf.+99.8%
CLFD
Clearfield, Inc.

Communication Equipment

TechnologyNASDAQ • US
Market Cap$519M
5Y Perf.+171.1%
AEYE
AudioEye, Inc.

Software - Application

TechnologyNASDAQ • US
Market Cap$100M
5Y Perf.-4.5%
MLM
Martin Marietta Materials, Inc.

Construction Materials

Basic MaterialsNYSE • US
Market Cap$36.22B
5Y Perf.+212.7%

RETO vs PESI vs CLFD vs AEYE vs MLM — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
RETO logoRETO
PESI logoPESI
CLFD logoCLFD
AEYE logoAEYE
MLM logoMLM
IndustryConstruction MaterialsWaste ManagementCommunication EquipmentSoftware - ApplicationConstruction Materials
Market Cap$356K$207M$519M$100M$36.22B
Revenue (TTM)$9M$59M$136M$40M$6.55B
Net Income (TTM)$-25M$-18M$-9M$-3M$2.53B
Gross Margin14.0%4.1%37.2%78.3%29.6%
Operating Margin-237.8%-26.3%1.4%-7.9%22.7%
Forward P/E72.1x30.8x
Total Debt$110K$4M$9M$721K$5.32B
Cash & Equiv.$671K$12M$21M$5M$67M

RETO vs PESI vs CLFD vs AEYE vs MLMLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

RETO
PESI
CLFD
AEYE
MLM
StockMay 20May 26Return
ReTo Eco-Solutions,… (RETO)1000.0-100.0%
Perma-Fix Environme… (PESI)100199.8+99.8%
Clearfield, Inc. (CLFD)100271.1+171.1%
AudioEye, Inc. (AEYE)10095.5-4.5%
Martin Marietta Mat… (MLM)100312.7+212.7%

Price return only. Dividends and distributions are not included.

Quick Verdict: RETO vs PESI vs CLFD vs AEYE vs MLM

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: MLM leads in 5 of 7 categories (5-stock set), making it the strongest pick for valuation and capital efficiency and profitability and margin quality. Perma-Fix Environmental Services, Inc. is the stronger pick specifically for recent price momentum and sentiment. CLFD also leads in specific categories worth noting. This set spans 3 sectors — these stocks serve different portfolio roles, not just different price points.
RETO
ReTo Eco-Solutions, Inc.
The Basic Materials Pick

RETO lags the leaders in this set but could rank higher in a more targeted comparison.

Best for: basic materials exposure
PESI
Perma-Fix Environmental Services, Inc.
The Momentum Pick

PESI is the #2 pick in this set and the best alternative if momentum is your priority.

  • +26.2% vs RETO's -95.9%
Best for: momentum
CLFD
Clearfield, Inc.
The Growth Play

CLFD ranks third and is worth considering specifically for growth exposure and sleep-well-at-night.

  • Rev growth 19.6%, EPS growth 31.8%, 3Y rev CAGR -17.9%
  • Lower volatility, beta 1.79, Low D/E 3.4%, current ratio 5.42x
  • 19.6% revenue growth vs RETO's -43.5%
Best for: growth exposure and sleep-well-at-night
AEYE
AudioEye, Inc.
The Technology Pick

Among these 5 stocks, AEYE doesn't own a clear edge in any measured category.

Best for: technology exposure
MLM
Martin Marietta Materials, Inc.
The Income Pick

MLM carries the broadest edge in this set and is the clearest fit for income & stability and long-term compounding.

  • Dividend streak 11 yrs, beta 0.87, yield 0.5%
  • 242.7% 10Y total return vs PESI's 178.6%
  • Beta 0.87, yield 0.5%, current ratio 3.57x
  • Better valuation composite
Best for: income & stability and long-term compounding
See the full category breakdown
CategoryWinnerWhy
GrowthCLFD logoCLFD19.6% revenue growth vs RETO's -43.5%
ValueMLM logoMLMBetter valuation composite
Quality / MarginsMLM logoMLM38.7% margin vs RETO's -291.9%
Stability / SafetyMLM logoMLMBeta 0.87 vs AEYE's 2.29
DividendsMLM logoMLM0.5% yield; 11-year raise streak; the other 4 pay no meaningful dividend
Momentum (1Y)PESI logoPESI+26.2% vs RETO's -95.9%
Efficiency (ROA)MLM logoMLM13.3% ROA vs RETO's -75.1%, ROIC 7.6% vs -14.5%

RETO vs PESI vs CLFD vs AEYE vs MLM — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

RETOReTo Eco-Solutions, Inc.
FY 2024
Technology Equipment
100.0%$652,906
PESIPerma-Fix Environmental Services, Inc.
FY 2025
Segments Total
50.0%$62M
Treatment
36.6%$45M
Services
13.4%$17M
CLFDClearfield, Inc.

Segment breakdown not available.

AEYEAudioEye, Inc.
FY 2024
Enterprise
100.0%$15M
MLMMartin Marietta Materials, Inc.
FY 2025
Building Materials Business
100.0%$5.7B

RETO vs PESI vs CLFD vs AEYE vs MLM — Financial Metrics

Side-by-side numbers across 5 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLMLMLAGGINGAEYE

Income & Cash Flow (Last 12 Months)

MLM leads this category, winning 4 of 6 comparable metrics.

MLM is the larger business by revenue, generating $6.6B annually — 756.8x RETO's $9M. MLM is the more profitable business, keeping 38.7% of every revenue dollar as net income compared to RETO's -2.9%. On growth, RETO holds the edge at +49.0% YoY revenue growth, suggesting stronger near-term business momentum.

MetricRETO logoRETOReTo Eco-Solution…PESI logoPESIPerma-Fix Environ…CLFD logoCLFDClearfield, Inc.AEYE logoAEYEAudioEye, Inc.MLM logoMLMMartin Marietta M…
RevenueTrailing 12 months$9M$59M$136M$40M$6.6B
EBITDAEarnings before interest/tax-$19M-$14M$6M-$504,000$2.1B
Net IncomeAfter-tax profit-$25M-$18M-$9M-$3M$2.5B
Free Cash FlowCash after capex-$7M-$14M$15M$2M$1.0B
Gross MarginGross profit ÷ Revenue+14.0%+4.1%+37.2%+78.3%+29.6%
Operating MarginEBIT ÷ Revenue-2.4%-26.3%+1.4%-7.9%+22.7%
Net MarginNet income ÷ Revenue-2.9%-30.1%-6.3%-7.6%+38.7%
FCF MarginFCF ÷ Revenue-77.8%-23.4%+10.8%+5.5%+15.8%
Rev. Growth (YoY)Latest quarter vs prior year+49.0%-20.1%-27.1%+7.9%+0.7%
EPS Growth (YoY)Latest quarter vs prior year+98.8%-110.5%-142.5%+29.0%+12.2%
MLM leads this category, winning 4 of 6 comparable metrics.

Valuation Metrics

Evenly matched — RETO and CLFD and MLM each lead in 2 of 6 comparable metrics.

On an enterprise value basis, MLM's 19.2x EV/EBITDA is more attractive than CLFD's 61.5x.

MetricRETO logoRETOReTo Eco-Solution…PESI logoPESIPerma-Fix Environ…CLFD logoCLFDClearfield, Inc.AEYE logoAEYEAudioEye, Inc.MLM logoMLMMartin Marietta M…
Market CapShares × price$355,799$207M$519M$100M$36.2B
Enterprise ValueMkt cap + debt − cash-$205,956$200M$506M$96M$41.5B
Trailing P/EPrice ÷ TTM EPS-0.04x-14.89x-64.64x-32.36x31.95x
Forward P/EPrice ÷ next-FY EPS est.72.10x30.75x
PEG RatioP/E ÷ EPS growth rate3.12x
EV / EBITDAEnterprise value multiple61.46x19.21x
Price / SalesMarket cap ÷ Revenue0.19x3.36x3.46x2.49x5.54x
Price / BookPrice ÷ Book value/share0.01x4.11x2.05x20.91x3.62x
Price / FCFMarket cap ÷ FCF21.01x37.04x
Evenly matched — RETO and CLFD and MLM each lead in 2 of 6 comparable metrics.

Profitability & Efficiency

MLM leads this category, winning 5 of 9 comparable metrics.

MLM delivers a 25.1% return on equity — every $100 of shareholder capital generates $25 in annual profit, vs $-183 for RETO. RETO carries lower financial leverage with a 0.00x debt-to-equity ratio, signaling a more conservative balance sheet compared to MLM's 0.53x. On the Piotroski fundamental quality scale (0–9), CLFD scores 7/9 vs AEYE's 4/9, reflecting strong financial health.

MetricRETO logoRETOReTo Eco-Solution…PESI logoPESIPerma-Fix Environ…CLFD logoCLFDClearfield, Inc.AEYE logoAEYEAudioEye, Inc.MLM logoMLMMartin Marietta M…
ROE (TTM)Return on equity-183.4%-34.5%-3.4%-47.8%+25.1%
ROA (TTM)Return on assets-75.1%-20.2%-3.0%-9.5%+13.3%
ROICReturn on invested capital-14.5%-21.7%+0.6%-42.4%+7.6%
ROCEReturn on capital employed-21.6%-16.7%+0.8%-17.7%+8.7%
Piotroski ScoreFundamental quality 0–955747
Debt / EquityFinancial leverage0.00x0.09x0.03x0.15x0.53x
Net DebtTotal debt minus cash-$561,755-$7M-$13M-$5M$5.3B
Cash & Equiv.Liquid assets$671,355$12M$21M$5M$67M
Total DebtShort + long-term debt$109,600$4M$9M$721,000$5.3B
Interest CoverageEBIT ÷ Interest expense-31.78x-42.14x85.32x-2.79x6.44x
MLM leads this category, winning 5 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

MLM leads this category, winning 4 of 6 comparable metrics.

A $10,000 investment in MLM five years ago would be worth $16,254 today (with dividends reinvested), compared to $1 for RETO. Over the past 12 months, PESI leads with a +26.2% total return vs RETO's -95.9%. The 3-year compound annual growth rate (CAGR) favors MLM at 15.4% vs RETO's -92.0% — a key indicator of consistent wealth creation.

MetricRETO logoRETOReTo Eco-Solution…PESI logoPESIPerma-Fix Environ…CLFD logoCLFDClearfield, Inc.AEYE logoAEYEAudioEye, Inc.MLM logoMLMMartin Marietta M…
YTD ReturnYear-to-date-66.1%-8.8%+27.1%-18.7%-5.2%
1-Year ReturnPast 12 months-95.9%+26.2%+20.2%-27.9%+13.0%
3-Year ReturnCumulative with dividends-99.9%+21.7%+3.9%+20.6%+53.9%
5-Year ReturnCumulative with dividends-100.0%+45.6%-4.1%-60.2%+62.5%
10-Year ReturnCumulative with dividends-100.0%+178.6%+106.7%+102.2%+242.7%
CAGR (3Y)Annualised 3-year return-92.0%+6.8%+1.3%+6.4%+15.4%
MLM leads this category, winning 4 of 6 comparable metrics.

Risk & Volatility

MLM leads this category, winning 2 of 2 comparable metrics.

MLM is the less volatile stock with a 0.87 beta — it tends to amplify market swings less than AEYE's 2.29 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. MLM currently trades 84.5% from its 52-week high vs RETO's 3.3% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricRETO logoRETOReTo Eco-Solution…PESI logoPESIPerma-Fix Environ…CLFD logoCLFDClearfield, Inc.AEYE logoAEYEAudioEye, Inc.MLM logoMLMMartin Marietta M…
Beta (5Y)Sensitivity to S&P 5001.77x1.85x1.79x2.29x0.87x
52-Week HighHighest price in past year$19.55$16.50$46.76$16.39$710.97
52-Week LowLowest price in past year$0.48$8.02$24.01$5.31$532.80
% of 52W HighCurrent price vs 52-week peak+3.3%+67.7%+80.2%+49.4%+84.5%
RSI (14)Momentum oscillator 0–10043.541.557.161.351.6
Avg Volume (50D)Average daily shares traded920K164K146K194K485K
MLM leads this category, winning 2 of 2 comparable metrics.

Analyst Outlook

MLM leads this category, winning 1 of 1 comparable metric.

Analyst consensus: PESI as "Hold", CLFD as "Buy", MLM as "Buy". Consensus price targets imply 61.1% upside for PESI (target: $18) vs 14.7% for CLFD (target: $43). MLM is the only dividend payer here at 0.54% yield — a key consideration for income-focused portfolios.

MetricRETO logoRETOReTo Eco-Solution…PESI logoPESIPerma-Fix Environ…CLFD logoCLFDClearfield, Inc.AEYE logoAEYEAudioEye, Inc.MLM logoMLMMartin Marietta M…
Analyst RatingConsensus buy/hold/sellHoldBuyBuy
Price TargetConsensus 12-month target$18.00$43.00$695.30
# AnalystsCovering analysts1840
Dividend YieldAnnual dividend ÷ price+0.5%
Dividend StreakConsecutive years of raises1111
Dividend / ShareAnnual DPS$3.26
Buyback YieldShare repurchases ÷ mkt cap0.0%0.0%+3.2%0.0%+1.2%
MLM leads this category, winning 1 of 1 comparable metric.
Key Takeaway

MLM leads in 5 of 6 categories — strongest in Income & Cash Flow and Profitability & Efficiency. 1 category is tied.

Best OverallMartin Marietta Materials, … (MLM)Leads 5 of 6 categories
Loading custom metrics...

RETO vs PESI vs CLFD vs AEYE vs MLM: Key Questions Answered

10 questions · data-driven answers · updated daily

01

Is RETO or PESI or CLFD or AEYE or MLM a better buy right now?

For growth investors, Clearfield, Inc.

(CLFD) is the stronger pick with 19. 6% revenue growth year-over-year, versus -43. 5% for ReTo Eco-Solutions, Inc. (RETO). Martin Marietta Materials, Inc. (MLM) offers the better valuation at 31. 9x trailing P/E (30. 8x forward), making it the more compelling value choice. Analysts rate Clearfield, Inc. (CLFD) a "Buy" — based on 8 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

02

Which has the better valuation — RETO or PESI or CLFD or AEYE or MLM?

On forward P/E, Martin Marietta Materials, Inc.

is actually cheaper at 30. 8x.

03

Which is the better long-term investment — RETO or PESI or CLFD or AEYE or MLM?

Over the past 5 years, Martin Marietta Materials, Inc.

(MLM) delivered a total return of +62. 5%, compared to -100. 0% for ReTo Eco-Solutions, Inc. (RETO). Over 10 years, the gap is even starker: MLM returned +242. 7% versus RETO's -100. 0%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

04

Which is safer — RETO or PESI or CLFD or AEYE or MLM?

By beta (market sensitivity over 5 years), Martin Marietta Materials, Inc.

(MLM) is the lower-risk stock at 0. 87β versus AudioEye, Inc. 's 2. 29β — meaning AEYE is approximately 162% more volatile than MLM relative to the S&P 500. On balance sheet safety, ReTo Eco-Solutions, Inc. (RETO) carries a lower debt/equity ratio of 0% versus 53% for Martin Marietta Materials, Inc. — giving it more financial flexibility in a downturn.

05

Which is growing faster — RETO or PESI or CLFD or AEYE or MLM?

By revenue growth (latest reported year), Clearfield, Inc.

(CLFD) is pulling ahead at 19. 6% versus -43. 5% for ReTo Eco-Solutions, Inc. (RETO). On earnings-per-share growth, the picture is similar: ReTo Eco-Solutions, Inc. grew EPS 68. 0% year-over-year, compared to -42. 0% for Martin Marietta Materials, Inc.. Over a 3-year CAGR, AEYE leads at 10. 5% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

06

Which has better profit margins — RETO or PESI or CLFD or AEYE or MLM?

Martin Marietta Materials, Inc.

(MLM) is the more profitable company, earning 17. 4% net margin versus -456. 7% for ReTo Eco-Solutions, Inc. — meaning it keeps 17. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MLM leads at 23. 3% versus -225. 9% for RETO. At the gross margin level — before operating expenses — AEYE leads at 78. 3%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

07

Is RETO or PESI or CLFD or AEYE or MLM more undervalued right now?

On forward earnings alone, Martin Marietta Materials, Inc.

(MLM) trades at 30. 8x forward P/E versus 72. 1x for Clearfield, Inc. — 41. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PESI: 61. 1% to $18. 00.

08

Which pays a better dividend — RETO or PESI or CLFD or AEYE or MLM?

In this comparison, MLM (0.

5% yield) pays a dividend. RETO, PESI, CLFD, AEYE do not pay a meaningful dividend and should not be held primarily for income.

09

Is RETO or PESI or CLFD or AEYE or MLM better for a retirement portfolio?

For long-horizon retirement investors, Martin Marietta Materials, Inc.

(MLM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 87), 0. 5% yield, +242. 7% 10Y return). AudioEye, Inc. (AEYE) carries a higher beta of 2. 29 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (MLM: +242. 7%, AEYE: +102. 2%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

10

What are the main differences between RETO and PESI and CLFD and AEYE and MLM?

These companies operate in different sectors (RETO (Basic Materials) and PESI (Industrials) and CLFD (Technology) and AEYE (Technology) and MLM (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: RETO is a small-cap quality compounder stock; PESI is a small-cap quality compounder stock; CLFD is a small-cap high-growth stock; AEYE is a small-cap quality compounder stock; MLM is a mid-cap quality compounder stock. MLM pays a dividend while RETO, PESI, CLFD, AEYE do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.

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RETO

High-Growth Disruptor

  • Sector: Basic Materials
  • Market Cap > $20B
  • Revenue Growth > 24%
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PESI

Quality Business

  • Sector: Industrials
  • Market Cap > $100B
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CLFD

Quality Business

  • Sector: Technology
  • Market Cap > $100B
  • Gross Margin > 22%
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AEYE

Quality Business

  • Sector: Technology
  • Market Cap > $100B
  • Revenue Growth > 5%
  • Gross Margin > 46%
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MLM

Quality Mega-Cap Compounder

  • Sector: Basic Materials
  • Market Cap > $100B
  • Net Margin > 23%
  • Dividend Yield > 0.5%
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Beat Both

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Revenue Growth>
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(RETO: 49.0% · PESI: -20.1%)

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