CNTM vs AMPX vs FLUX vs ENPH vs GNRC

For growth investors, Amprius Technologies, Inc.

(AMPX) is the stronger pick with 202. 1% revenue growth year-over-year, versus -2. 0% for Generac Holdings Inc. (GNRC). Enphase Energy, Inc. (ENPH) offers the better valuation at 27. 5x trailing P/E (18. 0x forward), making it the more compelling value choice. Analysts rate Amprius Technologies, Inc. (AMPX) a "Buy" — based on 12 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, Enphase Energy, Inc.

(ENPH) is the cheapest at 27. 5x versus Generac Holdings Inc. at 99. 2x. On forward P/E, Enphase Energy, Inc. is actually cheaper at 18. 0x.

Over the past 5 years, Amprius Technologies, Inc.

(AMPX) delivered a total return of +94. 2%, compared to -86. 4% for Flux Power Holdings, Inc. (FLUX). Over 10 years, the gap is even starker: ENPH returned +1789% versus FLUX's -76. 0%. 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), ConnectM Technology Solutions, Inc.

(CNTM) is the lower-risk stock at 0. 49β versus Amprius Technologies, Inc. 's 3. 11β — meaning AMPX is approximately 531% more volatile than CNTM relative to the S&P 500. On balance sheet safety, Amprius Technologies, Inc. (AMPX) carries a lower debt/equity ratio of 38% versus 9% for ConnectM Technology Solutions, Inc. — giving it more financial flexibility in a downturn.

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

(AMPX) is pulling ahead at 202. 1% versus -2. 0% for Generac Holdings Inc. (GNRC). On earnings-per-share growth, the picture is similar: ConnectM Technology Solutions, Inc. grew EPS 81. 4% year-over-year, compared to -50. 1% for Generac Holdings Inc.. Over a 3-year CAGR, AMPX leads at 154. 9% 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.

Enphase Energy, Inc.

(ENPH) is the more profitable company, earning 11. 7% net margin versus -60. 3% for Amprius Technologies, Inc. — meaning it keeps 11. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ENPH leads at 11. 2% versus -63. 9% for AMPX. At the gross margin level — before operating expenses — ENPH leads at 46. 6%, 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.

On forward earnings alone, Enphase Energy, Inc.

(ENPH) trades at 18. 0x forward P/E versus 30. 2x for Generac Holdings Inc. — 12. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ENPH: 19. 6% to $42. 41.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, ConnectM Technology Solutions, Inc.

(CNTM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 49)). Flux Power Holdings, Inc. (FLUX) carries a higher beta of 2. 23 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CNTM: -46. 7%, FLUX: -76. 0%), 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 (CNTM (Technology) and AMPX (Industrials) and FLUX (Industrials) and ENPH (Energy) and GNRC (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: CNTM is a small-cap high-growth stock; AMPX is a small-cap high-growth stock; FLUX is a small-cap quality compounder stock; ENPH is a small-cap quality compounder stock; GNRC is a mid-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.