VVPR vs SPWR vs ARRY vs SHLS vs STEM

For growth investors, VivoPower International PLC (VVPR) is the stronger pick with 281.

3% revenue growth year-over-year, versus 2. 9% for SunPower Inc. (SPWR). Shoals Technologies Group, Inc. (SHLS) offers the better valuation at 39. 2x trailing P/E (19. 4x forward), making it the more compelling value choice. Analysts rate Array Technologies, Inc. (ARRY) a "Buy" — based on 28 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 forward P/E, SunPower Inc.

is actually cheaper at 5. 1x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Array Technologies, Inc.

(ARRY) delivered a total return of -67. 7%, compared to -97. 8% for Stem, Inc. (STEM). Over 10 years, the gap is even starker: SHLS returned -74. 7% versus VVPR's -97. 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), Shoals Technologies Group, Inc.

(SHLS) is the lower-risk stock at 2. 08β versus Stem, Inc. 's 3. 66β — meaning STEM is approximately 76% more volatile than SHLS relative to the S&P 500. On balance sheet safety, Shoals Technologies Group, Inc. (SHLS) carries a lower debt/equity ratio of 29% versus 3% for Array Technologies, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), VivoPower International PLC (VVPR) is pulling ahead at 281.

3% versus 2. 9% for SunPower Inc. (SPWR). On earnings-per-share growth, the picture is similar: Stem, Inc. grew EPS 91. 3% year-over-year, compared to 0. 0% for SunPower Inc.. Over a 3-year CAGR, SPWR leads at 65. 3% 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.

Stem, Inc.

(STEM) is the more profitable company, earning 88. 2% net margin versus -209. 7% for VivoPower International PLC — meaning it keeps 88. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SHLS leads at 11. 9% versus -143. 3% for VVPR. At the gross margin level — before operating expenses — SPWR leads at 48. 5%, 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, SunPower Inc.

(SPWR) trades at 5. 1x forward P/E versus 19. 4x for Shoals Technologies Group, Inc. — 14. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SPWR: 1450. 0% to $15. 81.

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, Shoals Technologies Group, Inc.

(SHLS) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding. VivoPower International PLC (VVPR) carries a higher beta of 2. 21 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SHLS: -74. 7%, VVPR: -97. 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 (VVPR (Energy) and SPWR (Energy) and ARRY (Energy) and SHLS (Energy) and STEM (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: VVPR is a small-cap high-growth stock; SPWR is a small-cap quality compounder stock; ARRY is a small-cap high-growth stock; SHLS is a small-cap high-growth stock; STEM 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.