EFOI vs AEVA vs ON vs LIQT vs POWI

For growth investors, Aeva Technologies, Inc.

(AEVA) is the stronger pick with 99. 4% revenue growth year-over-year, versus -15. 3% for ON Semiconductor Corporation (ON). Power Integrations, Inc. (POWI) offers the better valuation at 184. 2x trailing P/E (55. 5x forward), making it the more compelling value choice. Analysts rate Aeva Technologies, Inc. (AEVA) 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.

On trailing P/E, Power Integrations, Inc.

(POWI) is the cheapest at 184. 2x versus ON Semiconductor Corporation at 346. 8x. On forward P/E, ON Semiconductor Corporation is actually cheaper at 34. 4x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, ON Semiconductor Corporation (ON) delivered a total return of +160.

4%, compared to -96. 1% for LiqTech International, Inc. (LIQT). Over 10 years, the gap is even starker: AEVA returned +172. 4% versus EFOI's -98. 3%. 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), Energy Focus, Inc.

(EFOI) is the lower-risk stock at 0. 49β versus Aeva Technologies, Inc. 's 3. 75β — meaning AEVA is approximately 673% more volatile than EFOI relative to the S&P 500. On balance sheet safety, Energy Focus, Inc. (EFOI) carries a lower debt/equity ratio of 13% versus 8% for Aeva Technologies, Inc. — giving it more financial flexibility in a downturn.

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

(AEVA) is pulling ahead at 99. 4% versus -15. 3% for ON Semiconductor Corporation (ON). On earnings-per-share growth, the picture is similar: Energy Focus, Inc. grew EPS 75. 8% year-over-year, compared to -92. 0% for ON Semiconductor Corporation. Over a 3-year CAGR, AEVA leads at 62. 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.

Power Integrations, Inc.

(POWI) is the more profitable company, earning 5. 0% net margin versus -804. 4% for Aeva Technologies, Inc. — meaning it keeps 5. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ON leads at 12. 5% versus -705. 8% for AEVA. At the gross margin level — before operating expenses — POWI leads at 54. 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, ON Semiconductor Corporation (ON) trades at 34.

4x forward P/E versus 55. 5x for Power Integrations, Inc. — 21. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AEVA: 46. 4% to $20. 00.

In this comparison, POWI (1.

2% yield) pays a dividend. EFOI, AEVA, ON, LIQT do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Energy Focus, Inc.

(EFOI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 49)). Aeva Technologies, Inc. (AEVA) carries a higher beta of 3. 75 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (EFOI: -98. 3%, AEVA: +172. 4%), 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 (EFOI (Consumer Cyclical) and AEVA (Consumer Cyclical) and ON (Technology) and LIQT (Industrials) and POWI (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: EFOI is a small-cap quality compounder stock; AEVA is a small-cap high-growth stock; ON is a mid-cap quality compounder stock; LIQT is a small-cap quality compounder stock; POWI is a small-cap quality compounder stock. POWI pays a dividend while EFOI, AEVA, ON, LIQT 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.