TXNM vs GEV vs PWR vs AEE

For growth investors, Quanta Services, Inc.

(PWR) is the stronger pick with 19. 8% revenue growth year-over-year, versus 8. 9% for GE Vernova Inc. (GEV). Ameren Corporation (AEE) offers the better valuation at 20. 3x trailing P/E (20. 3x forward), making it the more compelling value choice. Analysts rate TXNM Energy, Inc. (TXNM) a "Buy" — based on 7 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, Ameren Corporation (AEE) is the cheapest at 20.

3x versus Quanta Services, Inc. at 110. 4x. On forward P/E, TXNM Energy, Inc. is actually cheaper at 20. 1x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Ameren Corporation wins at 2. 29x versus Quanta Services, Inc. 's 3. 33x.

Over the past 5 years, GE Vernova Inc.

(GEV) delivered a total return of +698. 3%, compared to +34. 0% for TXNM Energy, Inc. (TXNM). Over 10 years, the gap is even starker: PWR returned +31. 2% versus TXNM's +118. 1%. 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), Ameren Corporation (AEE) is the lower-risk stock at 0.

03β versus GE Vernova Inc. 's 1. 78β — meaning GEV is approximately 5607% more volatile than AEE relative to the S&P 500. On balance sheet safety, TXNM Energy, Inc. (TXNM) carries a lower debt/equity ratio of 0% versus 147% for Ameren Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Quanta Services, Inc.

(PWR) is pulling ahead at 19. 8% versus 8. 9% for GE Vernova Inc. (GEV). On earnings-per-share growth, the picture is similar: GE Vernova Inc. grew EPS 217. 0% year-over-year, compared to -39. 3% for TXNM Energy, Inc.. Over a 3-year CAGR, PWR leads at 18. 4% 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.

Ameren Corporation (AEE) is the more profitable company, earning 16.

5% net margin versus 3. 6% for Quanta Services, Inc. — meaning it keeps 16. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AEE leads at 23. 0% versus 3. 6% for GEV. At the gross margin level — before operating expenses — TXNM leads at 38. 1%, 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, Ameren Corporation (AEE) is the more undervalued stock at a PEG of 2. 29x versus Quanta Services, Inc. 's 3. 33x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, TXNM Energy, Inc. (TXNM) trades at 20. 1x forward P/E versus 57. 4x for Quanta Services, Inc. — 37. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AEE: 11. 4% to $121. 11.

In this comparison, TXNM (3.

0% yield), AEE (2. 6% yield) pay a dividend. GEV, PWR do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Ameren Corporation (AEE) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

03), 2. 6% yield, +171. 0% 10Y return). Both have compounded well over 10 years (AEE: +171. 0%, PWR: +31. 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.

These companies operate in different sectors (TXNM (Utilities) and GEV (Utilities) and PWR (Industrials) and AEE (Utilities)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: TXNM is a small-cap quality compounder stock; GEV is a large-cap quality compounder stock; PWR is a mid-cap high-growth stock; AEE is a mid-cap high-growth stock. TXNM, AEE pay a dividend while GEV, PWR 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.