RFIL vs APH vs BDC vs CTS vs PLXS

For growth investors, Amphenol Corporation (APH) is the stronger pick with 51.

7% revenue growth year-over-year, versus 1. 8% for Plexus Corp. (PLXS). Belden Inc. (BDC) offers the better valuation at 19. 0x trailing P/E (14. 0x forward), 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, Belden Inc.

(BDC) is the cheapest at 19. 0x versus RF Industries, Ltd. at 2182. 9x. On forward P/E, Belden Inc. is actually cheaper at 14. 0x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Belden Inc. wins at 0. 38x versus Plexus Corp. 's 3. 34x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Amphenol Corporation (APH) delivered a total return of +289.

7%, compared to +93. 8% for CTS Corporation (CTS). Over 10 years, the gap is even starker: APH returned +838. 2% versus BDC's +91. 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), Belden Inc.

(BDC) is the lower-risk stock at 1. 40β versus RF Industries, Ltd. 's 2. 11β — meaning RFIL is approximately 51% more volatile than BDC relative to the S&P 500. On balance sheet safety, Plexus Corp. (PLXS) carries a lower debt/equity ratio of 12% versus 117% for Belden Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Amphenol Corporation (APH) is pulling ahead at 51.

7% versus 1. 8% for Plexus Corp. (PLXS). On earnings-per-share growth, the picture is similar: RF Industries, Ltd. grew EPS 101. 1% year-over-year, compared to 15. 9% for CTS Corporation. Over a 3-year CAGR, APH leads at 22. 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.

Amphenol Corporation (APH) is the more profitable company, earning 18.

5% net margin versus 0. 1% for RF Industries, Ltd. — meaning it keeps 18. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: APH leads at 25. 9% versus 3. 5% for RFIL. At the gross margin level — before operating expenses — CTS leads at 38. 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.

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, Belden Inc. (BDC) is the more undervalued stock at a PEG of 0. 38x versus Plexus Corp. 's 3. 34x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Belden Inc. (BDC) trades at 14. 0x forward P/E versus 32. 6x for Plexus Corp. — 18. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for APH: 41. 3% to $180. 89.

In this comparison, APH (0.

5% yield), CTS (0. 3% yield), BDC (0. 2% yield) pay a dividend. RFIL, PLXS do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Amphenol Corporation (APH) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+838.

2% 10Y return). RF Industries, Ltd. (RFIL) carries a higher beta of 2. 11 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (APH: +838. 2%, RFIL: +561. 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 (RFIL (Industrials) and APH (Technology) and BDC (Technology) and CTS (Technology) and PLXS (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: RFIL is a small-cap high-growth stock; APH is a mid-cap high-growth stock; BDC is a small-cap quality compounder stock; CTS is a small-cap quality compounder stock; PLXS 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.