KULR vs AMSC vs VICR vs ENVX

For growth investors, American Superconductor Corporation (AMSC) is the stronger pick with 53.

0% revenue growth year-over-year, versus 9. 2% for KULR Technology Group, Inc. (KULR). Vicor Corporation (VICR) offers the better valuation at 100. 1x trailing P/E (92. 5x forward), making it the more compelling value choice. Analysts rate KULR Technology Group, Inc. (KULR) a "Buy" — based on 2 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, Vicor Corporation (VICR) is the cheapest at 100.

1x versus American Superconductor Corporation at 332. 6x. On forward P/E, American Superconductor Corporation is actually cheaper at 15. 9x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, American Superconductor Corporation (AMSC) delivered a total return of +255.

0%, compared to -83. 7% for KULR Technology Group, Inc. (KULR). Over 10 years, the gap is even starker: VICR returned +26. 5% versus KULR's -75. 9%. 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), Vicor Corporation (VICR) is the lower-risk stock at 2.

87β versus Enovix Corporation's 3. 35β — meaning ENVX is approximately 17% more volatile than VICR relative to the S&P 500. On balance sheet safety, American Superconductor Corporation (AMSC) carries a lower debt/equity ratio of 2% versus 8% for Enovix Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), American Superconductor Corporation (AMSC) is pulling ahead at 53.

0% versus 9. 2% for KULR Technology Group, Inc. (KULR). On earnings-per-share growth, the picture is similar: Vicor Corporation grew EPS 1764% year-over-year, compared to 40. 9% for Enovix Corporation. Over a 3-year CAGR, ENVX leads at 72. 5% 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.

Vicor Corporation (VICR) is the more profitable company, earning 29.

1% net margin versus -492. 6% for Enovix Corporation — meaning it keeps 29. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: VICR leads at 9. 0% versus -557. 0% for ENVX. At the gross margin level — before operating expenses — VICR leads at 52. 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, American Superconductor Corporation (AMSC) trades at 15.

9x forward P/E versus 92. 5x for Vicor Corporation — 76. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ENVX: 71. 3% to $11. 00.

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, American Superconductor Corporation (AMSC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+396.

8% 10Y return). KULR Technology Group, Inc. (KULR) carries a higher beta of 3. 24 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AMSC: +396. 8%, KULR: -75. 9%), 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 (KULR (Technology) and AMSC (Industrials) and VICR (Technology) and ENVX (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: KULR is a small-cap quality compounder stock; AMSC is a small-cap high-growth stock; VICR is a mid-cap quality compounder stock; ENVX is a small-cap high-growth 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.