AMSC vs MTRX vs ARRY vs POWI

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

0% revenue growth year-over-year, versus 5. 6% for Matrix Service Company (MTRX). 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 American Superconductor Corporation (AMSC) a "Buy" — based on 15 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 American Superconductor Corporation at 332. 6x. On forward P/E, Array Technologies, Inc. is actually cheaper at 11. 7x — 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 -67. 7% for Array Technologies, Inc. (ARRY). Over 10 years, the gap is even starker: AMSC returned +379. 0% versus ARRY's -77. 5%. 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), Matrix Service Company (MTRX) is the lower-risk stock at 1.

62β versus American Superconductor Corporation's 2. 90β — meaning AMSC is approximately 79% more volatile than MTRX relative to the S&P 500. On balance sheet safety, American Superconductor Corporation (AMSC) carries a lower debt/equity ratio of 2% versus 3% for Array Technologies, Inc. — 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 5. 6% for Matrix Service Company (MTRX). On earnings-per-share growth, the picture is similar: American Superconductor Corporation grew EPS 143. 2% year-over-year, compared to -30. 4% for Power Integrations, Inc.. Over a 3-year CAGR, AMSC leads at 27. 1% 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 -4. 1% for Array Technologies, Inc. — meaning it keeps 5. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ARRY leads at 6. 6% versus -4. 6% for MTRX. 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, Array Technologies, Inc.

(ARRY) trades at 11. 7x forward P/E versus 143. 1x for Matrix Service Company — 131. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MTRX: 97. 4% to $24. 00.

In this comparison, POWI (1.

2% yield) pays a dividend. AMSC, MTRX, ARRY do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Power Integrations, Inc.

(POWI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (1. 2% yield, +232. 7% 10Y return). Array Technologies, Inc. (ARRY) carries a higher beta of 2. 32 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (POWI: +232. 7%, ARRY: -77. 5%), 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 (AMSC (Industrials) and MTRX (Industrials) and ARRY (Energy) and POWI (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: AMSC is a small-cap high-growth stock; MTRX is a small-cap quality compounder stock; ARRY is a small-cap high-growth stock; POWI is a small-cap quality compounder stock. POWI pays a dividend while AMSC, MTRX, ARRY 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.