WallStSmart

Corning Incorporated (GLW)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Corning Incorporated generates 39% more annual revenue ($16.32B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 11.1%. WDC appears more attractively valued with a PEG of 0.58. WDC earns a higher WallStSmart Score of 80/100 (A-).

GLW

Buy

64

out of 100

Grade: C+

Growth: 7.3Profit: 7.0Value: 4.3Quality: 6.5
Piotroski: 5/9Altman Z: 2.03

WDC

Exceptional Buy

80

out of 100

Grade: A-

Growth: 7.3Profit: 9.5Value: 5.7Quality: 6.5
Piotroski: 5/9Altman Z: 1.51

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

GLW3 strengths · Avg: 9.0/10
EPS GrowthGrowth
138.9%10/10

Earnings expanding 138.9% YoY

Market CapQuality
$161.70B9/10

Large-cap with strong market position

Revenue GrowthGrowth
20.0%8/10

Revenue surging 20.0% year-over-year

WDC6 strengths · Avg: 10.0/10
Market CapQuality
$225.26B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
67.0%10/10

Every $100 of equity generates 67 in profit

Profit MarginProfitability
55.3%10/10

Keeps 55 of every $100 in revenue as profit

Operating MarginProfitability
37.0%10/10

Strong operational efficiency at 37.0%

Revenue GrowthGrowth
45.5%10/10

Revenue surging 45.5% year-over-year

EPS GrowthGrowth
482.9%10/10

Earnings expanding 482.9% YoY

Areas to Watch

GLW2 concerns · Avg: 3.0/10
Price/BookValuation
15.2x4/10

Trading at 15.2x book value

P/E RatioValuation
89.9x2/10

Premium valuation, high expectations priced in

WDC3 concerns · Avg: 3.3/10
P/E RatioValuation
39.1x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.514/10

Distress zone — elevated risk

Price/BookValuation
27.5x2/10

Trading at 27.5x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : GLW

The strongest argument for GLW centers on EPS Growth, Market Cap, Revenue Growth. Revenue growth of 20.0% demonstrates continued momentum. PEG of 1.40 suggests the stock is reasonably priced for its growth.

Bull Case : WDC

The strongest argument for WDC centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.

Bear Case : GLW

The primary concerns for GLW are Price/Book, P/E Ratio. A P/E of 89.9x leaves little room for execution misses.

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Altman Z-Score, Price/Book.

Key Dynamics to Monitor

WDC carries more volatility with a beta of 2.20 — expect wider price swings.

WDC is growing revenue faster at 45.5% — sustainability is the question.

WDC generates stronger free cash flow (978M), providing more financial flexibility.

Monitor ELECTRONIC COMPONENTS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

WDC scores higher overall (80/100 vs 64/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Exceptional Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Corning Incorporated

TECHNOLOGY · ELECTRONIC COMPONENTS · USA

Corning Incorporated is an American multinational technology company that specializes in specialty glass, ceramics, and related materials and technologies including advanced optics, primarily for industrial and scientific applications.

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Western Digital Corporation

TECHNOLOGY · COMPUTER HARDWARE · USA

Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.

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