ALMU vs OLED vs LITE vs COHU vs AAPL

For growth investors, Aeluma, Inc.

(ALMU) is the stronger pick with 407. 9% revenue growth year-over-year, versus 0. 5% for Universal Display Corporation (OLED). Universal Display Corporation (OLED) offers the better valuation at 18. 1x trailing P/E (21. 7x forward), making it the more compelling value choice. Analysts rate Aeluma, Inc. (ALMU) 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, Universal Display Corporation (OLED) is the cheapest at 18.

1x versus Lumentum Holdings Inc. at 2441. 7x. On forward P/E, Universal Display Corporation is actually cheaper at 21. 7x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Universal Display Corporation wins at 1. 71x versus Apple Inc. 's 1. 89x — a reasonable growth-adjusted valuation.

Over the past 5 years, Aeluma, Inc.

(ALMU) delivered a total return of +1121%, compared to -51. 7% for Universal Display Corporation (OLED). Over 10 years, the gap is even starker: LITE returned +36. 8% versus OLED's +84. 8%. 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), Apple Inc.

(AAPL) is the lower-risk stock at 1. 04β versus Aeluma, Inc. 's 2. 89β — meaning ALMU is approximately 178% more volatile than AAPL relative to the S&P 500. On balance sheet safety, Universal Display Corporation (OLED) carries a lower debt/equity ratio of 2% versus 2% for Lumentum Holdings Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Aeluma, Inc.

(ALMU) is pulling ahead at 407. 9% versus 0. 5% for Universal Display Corporation (OLED). On earnings-per-share growth, the picture is similar: Lumentum Holdings Inc. grew EPS 104. 6% year-over-year, compared to -6. 7% for Cohu, Inc.. Over a 3-year CAGR, AAPL leads at 1. 8% 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.

Universal Display Corporation (OLED) is the more profitable company, earning 37.

2% net margin versus -64. 8% for Aeluma, Inc. — meaning it keeps 37. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: OLED leads at 38. 5% versus -45. 9% for ALMU. At the gross margin level — before operating expenses — OLED leads at 73. 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, Universal Display Corporation (OLED) is the more undervalued stock at a PEG of 1. 71x versus Apple Inc. 's 1. 89x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Universal Display Corporation (OLED) trades at 21. 7x forward P/E versus 110. 1x for Lumentum Holdings Inc. — 88. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for OLED: 53. 7% to $141. 00.

In this comparison, OLED (2.

0% yield), AAPL (0. 4% yield) pay a dividend. ALMU, LITE, COHU do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Apple Inc.

(AAPL) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 04), +1199% 10Y return). Lumentum Holdings Inc. (LITE) carries a higher beta of 2. 66 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AAPL: +1199%, LITE: +36. 8%), 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: ALMU is a small-cap high-growth stock; OLED is a small-cap quality compounder stock; LITE is a mid-cap high-growth stock; COHU is a small-cap quality compounder stock; AAPL is a mega-cap quality compounder stock. OLED pays a dividend while ALMU, LITE, COHU, AAPL 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.