ONTO vs KLIC vs COHU vs FORM 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 Kulicke and Soffa Industries, Inc. (KLIC). ACM Research, Inc. (ACMR) offers the better valuation at 43. 2x trailing P/E (29. 7x forward), making it the more compelling value choice. Analysts rate Onto Innovation Inc. (ONTO) a "Buy" — based on 11 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, ACM Research, Inc.

(ACMR) is the cheapest at 43. 2x versus Kulicke and Soffa Industries, Inc. at 9999. 0x. On forward P/E, ACM Research, Inc. is actually cheaper at 29. 7x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: ACM Research, Inc. wins at 0. 84x versus Onto Innovation Inc. 's 1. 12x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Onto Innovation Inc.

(ONTO) delivered a total return of +312. 6%, compared to +22. 2% for Cohu, Inc. (COHU). Over 10 years, the gap is even starker: ACMR returned +30. 7% versus COHU's +330. 2%. 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), Kulicke and Soffa Industries, Inc.

(KLIC) is the lower-risk stock at 1. 87β versus ACM Research, Inc. 's 3. 24β — meaning ACMR is approximately 73% more volatile than KLIC relative to the S&P 500. On balance sheet safety, Onto Innovation Inc. (ONTO) carries a lower debt/equity ratio of 1% versus 46% for Cohu, 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 Kulicke and Soffa Industries, Inc. (KLIC). On earnings-per-share growth, the picture is similar: Kulicke and Soffa Industries, Inc. grew EPS 100. 3% year-over-year, compared to -31. 5% for Onto Innovation 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.

Onto Innovation Inc.

(ONTO) is the more profitable company, earning 13. 6% net margin versus -16. 4% for Cohu, Inc. — meaning it keeps 13. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ONTO leads at 13. 2% versus -13. 3% for COHU. At the gross margin level — before operating expenses — ONTO leads at 49. 7%, 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, ACM Research, Inc. (ACMR) is the more undervalued stock at a PEG of 0. 84x versus Onto Innovation Inc. 's 1. 12x. 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 89. 2x for Cohu, Inc. — 59. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ONTO: 12. 5% to $308. 33.

In this comparison, KLIC (1.

0% yield), ACMR (0. 2% yield) pay a dividend. ONTO, COHU, FORM do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Kulicke and Soffa Industries, Inc.

(KLIC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (1. 0% yield, +814. 1% 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 (KLIC: +814. 1%, 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: ONTO is a mid-cap quality compounder stock; KLIC is a small-cap quality compounder stock; COHU is a small-cap quality compounder stock; FORM is a mid-cap quality compounder stock; ACMR is a small-cap high-growth stock. KLIC pays a dividend while ONTO, COHU, FORM, ACMR 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.