CPSH vs AEIS vs MKSI vs COHU

For growth investors, CPS Technologies Corporation (CPSH) is the stronger pick with 54.

3% revenue growth year-over-year, versus 9. 6% for MKS Inc. (MKSI). MKS Inc. (MKSI) offers the better valuation at 71. 7x trailing P/E (27. 3x forward), making it the more compelling value choice. Analysts rate Advanced Energy Industries, Inc. (AEIS) a "Buy" — based on 24 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, MKS Inc.

(MKSI) is the cheapest at 71. 7x versus CPS Technologies Corporation at 145. 4x. On forward P/E, MKS Inc. is actually cheaper at 27. 3x.

Over the past 5 years, Advanced Energy Industries, Inc.

(AEIS) delivered a total return of +320. 3%, compared to -33. 1% for CPS Technologies Corporation (CPSH). Over 10 years, the gap is even starker: AEIS returned +944. 3% versus CPSH's +120. 6%. 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), CPS Technologies Corporation (CPSH) is the lower-risk stock at 1.

01β versus MKS Inc. 's 2. 56β — meaning MKSI is approximately 153% more volatile than CPSH relative to the S&P 500. On balance sheet safety, CPS Technologies Corporation (CPSH) carries a lower debt/equity ratio of 1% versus 173% for MKS Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), CPS Technologies Corporation (CPSH) is pulling ahead at 54.

3% versus 9. 6% for MKS Inc. (MKSI). On earnings-per-share growth, the picture is similar: Advanced Energy Industries, Inc. grew EPS 168. 5% year-over-year, compared to -6. 7% for Cohu, Inc.. Over a 3-year CAGR, CPSH leads at 7. 0% 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.

Advanced Energy Industries, Inc.

(AEIS) is the more profitable company, earning 8. 2% net margin versus -16. 4% for Cohu, Inc. — meaning it keeps 8. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MKSI leads at 14. 4% versus -13. 3% for COHU. At the gross margin level — before operating expenses — MKSI leads at 40. 4%, 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, MKS Inc.

(MKSI) trades at 27. 3x forward P/E versus 85. 0x for Cohu, Inc. — 57. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AEIS: 1. 5% to $362. 50.

In this comparison, MKSI (0.

3% yield), AEIS (0. 1% yield) pay a dividend. CPSH, COHU do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, CPS Technologies Corporation (CPSH) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1.

01), +120. 6% 10Y return). Cohu, Inc. (COHU) carries a higher beta of 2. 12 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CPSH: +120. 6%, COHU: +348. 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 (CPSH (Technology) and AEIS (Industrials) and MKSI (Technology) and COHU (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: CPSH is a small-cap high-growth stock; AEIS is a mid-cap high-growth stock; MKSI is a mid-cap quality compounder stock; COHU 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.