DUOT vs RAIL vs ALNT vs ISSC vs PESI

For growth investors, Duos Technologies Group, Inc.

(DUOT) is the stronger pick with 271. 2% revenue growth year-over-year, versus -10. 4% for FreightCar America, Inc. (RAIL). FreightCar America, Inc. (RAIL) offers the better valuation at 7. 5x trailing P/E (17. 5x forward), making it the more compelling value choice. Analysts rate Duos Technologies Group, Inc. (DUOT) a "Buy" — based on 3 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.

On trailing P/E, FreightCar America, Inc.

(RAIL) is the cheapest at 7. 5x versus Allient Inc. at 69. 2x. On forward P/E, FreightCar America, Inc. is actually cheaper at 17. 5x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Innovative Aerosystems, Inc. wins at 0. 56x versus Allient Inc. 's 5. 32x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Innovative Aerosystems, Inc.

(ISSC) delivered a total return of +205. 0%, compared to +10. 1% for Duos Technologies Group, Inc. (DUOT). Over 10 years, the gap is even starker: ISSC returned +554. 4% versus DUOT's -58. 6%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), FreightCar America, Inc.

(RAIL) is the lower-risk stock at 1. 90β versus Duos Technologies Group, Inc. 's 2. 73β — meaning DUOT is approximately 44% more volatile than RAIL relative to the S&P 500. On balance sheet safety, Perma-Fix Environmental Services, Inc. (PESI) carries a lower debt/equity ratio of 9% versus 65% for Allient Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Duos Technologies Group, Inc.

(DUOT) is pulling ahead at 271. 2% versus -10. 4% for FreightCar America, Inc. (RAIL). On earnings-per-share growth, the picture is similar: FreightCar America, Inc. grew EPS 134. 9% year-over-year, compared to 43. 6% for Perma-Fix Environmental Services, Inc.. Over a 3-year CAGR, ISSC leads at 44. 8% 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.

Innovative Aerosystems, Inc.

(ISSC) is the more profitable company, earning 18. 5% net margin versus -36. 4% for Duos Technologies Group, Inc. — meaning it keeps 18. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ISSC leads at 23. 8% versus -36. 1% for DUOT. At the gross margin level — before operating expenses — ISSC leads at 45. 4%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Innovative Aerosystems, Inc. (ISSC) is the more undervalued stock at a PEG of 0. 56x versus Allient Inc. 's 5. 32x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, FreightCar America, Inc. (RAIL) trades at 17. 5x forward P/E versus 292. 0x for Duos Technologies Group, Inc. — 274. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PESI: 63. 7% to $18. 00.

In this comparison, ALNT (0.

1% yield) pays a dividend. DUOT, RAIL, ISSC, PESI do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Innovative Aerosystems, Inc.

(ISSC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+554. 4% 10Y return). Duos Technologies Group, Inc. (DUOT) carries a higher beta of 2. 73 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ISSC: +554. 4%, DUOT: -58. 6%), 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.

These companies operate in different sectors (DUOT (Technology) and RAIL (Industrials) and ALNT (Technology) and ISSC (Industrials) and PESI (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: DUOT is a small-cap high-growth stock; RAIL is a small-cap deep-value stock; ALNT is a small-cap quality compounder stock; ISSC is a small-cap high-growth stock; PESI is a small-cap quality compounder stock. 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.