BOSC vs RFIL vs MTSI vs COHU vs AEHR

For growth investors, MACOM Technology Solutions Holdings, Inc.

(MTSI) is the stronger pick with 32. 6% revenue growth year-over-year, versus -9. 6% for B. O. S. Better Online Solutions Ltd. (BOSC). B. O. S. Better Online Solutions Ltd. (BOSC) offers the better valuation at 11. 7x trailing P/E, making it the more compelling value choice. Analysts rate RF Industries, Ltd. (RFIL) 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, B.

O. S. Better Online Solutions Ltd. (BOSC) is the cheapest at 11. 7x versus RF Industries, Ltd. at 2182. 9x. On forward P/E, RF Industries, Ltd. is actually cheaper at 26. 3x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Aehr Test Systems (AEHR) delivered a total return of +42.

2%, compared to +35. 5% for Cohu, Inc. (COHU). Over 10 years, the gap is even starker: AEHR returned +75. 0% versus BOSC's +112. 4%. 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), B.

O. S. Better Online Solutions Ltd. (BOSC) is the lower-risk stock at 0. 55β versus Aehr Test Systems's 4. 86β — meaning AEHR is approximately 792% more volatile than BOSC relative to the S&P 500. On balance sheet safety, Aehr Test Systems (AEHR) carries a lower debt/equity ratio of 9% versus 76% for RF Industries, Ltd. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), MACOM Technology Solutions Holdings, Inc.

(MTSI) is pulling ahead at 32. 6% versus -9. 6% for B. O. S. Better Online Solutions Ltd. (BOSC). On earnings-per-share growth, the picture is similar: RF Industries, Ltd. grew EPS 101. 1% year-over-year, compared to -170. 2% for MACOM Technology Solutions Holdings, Inc.. Over a 3-year CAGR, MTSI leads at 12. 7% 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.

B.

O. S. Better Online Solutions Ltd. (BOSC) is the more profitable company, earning 5. 8% net margin versus -16. 4% for Cohu, Inc. — meaning it keeps 5. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MTSI leads at 13. 4% versus -13. 3% for COHU. At the gross margin level — before operating expenses — MTSI leads at 54. 9%, 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, RF Industries, Ltd.

(RFIL) trades at 26. 3x forward P/E versus 85. 0x for Cohu, Inc. — 58. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for COHU: 0. 4% to $49. 75.

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, B.

O. S. Better Online Solutions Ltd. (BOSC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 55), +112. 4% 10Y return). Aehr Test Systems (AEHR) carries a higher beta of 4. 86 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (BOSC: +112. 4%, AEHR: +75. 0%), 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 (BOSC (Technology) and RFIL (Industrials) and MTSI (Technology) and COHU (Technology) and AEHR (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: BOSC is a small-cap deep-value stock; RFIL is a small-cap high-growth stock; MTSI is a mid-cap high-growth stock; COHU is a small-cap quality compounder stock; AEHR 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.