MPTI vs VECO vs UCTT vs ACMR

For growth investors, ACM Research, Inc.

(ACMR) is the stronger pick with 15. 2% revenue growth year-over-year, versus -7. 4% for Veeco Instruments Inc. (VECO). M-tron Industries, Inc. (MPTI) offers the better valuation at 29. 3x trailing P/E (31. 1x forward), making it the more compelling value choice. Analysts rate M-tron Industries, Inc. (MPTI) a "Buy" — based on 1 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, M-tron Industries, Inc.

(MPTI) is the cheapest at 29. 3x versus Veeco Instruments Inc. at 97. 8x. On forward P/E, ACM Research, Inc. is actually cheaper at 29. 7x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: M-tron Industries, Inc. wins at 0. 71x versus ACM Research, Inc. 's 0. 84x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, M-tron Industries, Inc.

(MPTI) delivered a total return of +485. 2%, compared to +59. 4% for Ultra Clean Holdings, Inc. (UCTT). Over 10 years, the gap is even starker: ACMR returned +30. 7% versus VECO's +239. 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), M-tron Industries, Inc.

(MPTI) is the lower-risk stock at 1. 44β versus ACM Research, Inc. 's 3. 24β — meaning ACMR is approximately 125% more volatile than MPTI relative to the S&P 500. On balance sheet safety, M-tron Industries, Inc. (MPTI) carries a lower debt/equity ratio of 0% versus 103% for Ultra Clean Holdings, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), ACM Research, Inc.

(ACMR) is pulling ahead at 15. 2% versus -7. 4% for Veeco Instruments Inc. (VECO). On earnings-per-share growth, the picture is similar: M-tron Industries, Inc. grew EPS -1. 1% year-over-year, compared to -869. 2% for Ultra Clean Holdings, Inc.. Over a 3-year CAGR, ACMR leads at 32. 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.

M-tron Industries, Inc.

(MPTI) is the more profitable company, earning 15. 5% net margin versus -8. 8% for Ultra Clean Holdings, Inc. — meaning it keeps 15. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MPTI leads at 18. 9% versus 2. 1% for UCTT. At the gross margin level — before operating expenses — ACMR leads at 44. 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, M-tron Industries, Inc. (MPTI) is the more undervalued stock at a PEG of 0. 71x versus ACM Research, Inc. 's 0. 84x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, ACM Research, Inc. (ACMR) trades at 29. 7x forward P/E versus 34. 5x for Veeco Instruments Inc. — 4. 8x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for UCTT: 6. 4% to $85. 00.

In this comparison, ACMR (0.

2% yield) pays a dividend. MPTI, VECO, UCTT do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Ultra Clean Holdings, Inc.

(UCTT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1385% 10Y return). ACM Research, Inc. (ACMR) 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 (UCTT: +1385%, ACMR: +30. 7%), 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.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: MPTI is a small-cap quality compounder stock; VECO is a small-cap quality compounder stock; UCTT is a small-cap quality compounder stock; ACMR 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.