Compare Quest Diagnostics Inc (DGX) vs Corning Incorporated (GLW) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Quest Diagnostics Inc vs Corning Incorporated — how do they compare? Quest Diagnostics Inc trades at $237.34 (market cap $26.21B), while Corning Incorporated trades at $167.64 (market cap $137.12B). The key difference: Corning Incorporated is far larger — about 5.2× Quest Diagnostics Inc's market cap, and Quest Diagnostics Inc pays the higher dividend (1.45%). Which is the better fit depends on your goals.
| DGX | GLW | |
|---|---|---|
Market Cap | $26.21B | $137.12B |
Sector | Health | Technology |
52-Week High | $238.50 | $255.79 |
52-Week Low | $173.49 | $64.52 |
Enterprise Value | $31.97B | $144.00B |
Dividend Yield | 1.45% | 0.7% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $237.24, down 0.16% on the day, with a bullish technical signal from moving averages. The company reported strong Q2 2026 earnings, beating estimates with EPS of $3.12 and raising its full-year outlook, driven by robust testing demand. Revenue grew to $11.04B in 2025, with net income of $992M, though margins face pressure from lower-margin deals and rising costs.
The outlook is positive due to raised guidance and AI integration enhancing efficiency, but risks include debt levels and margin compression. Analysts maintain a cautious buy stance with a $249.50 price target, indicating modest upside potential from current levels amid competitive and cost challenges.
GLW trades at $166.95, up 5.84% in the last session, with a bearish technical signal but strong recent earnings beats. The company reported Q2 2026 EPS of $0.78, beating expectations, driven by 17% YoY core sales growth from optical and AI data center demand. Valuation ratios are elevated, with a P/E of 73.36 and P/S of 8.23, while profitability improved with a net income margin of 11.2% in 2025.
The outlook is supported by AI infrastructure growth and analyst optimism, with a consensus price target of $193.33 implying 16% upside. Risks include premium valuation sensitivity and execution challenges in scaling solar and optical segments. Cash flow is projected to turn positive in 2026, but debt-to-asset ratio remains elevated at 27.67%.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Top news
Latest headlines on both assets
Top news
Latest headlines on both assets
About Quest Diagnostics Inc
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.
Read more on DGX →About Corning Incorporated
Corning Inc is a leader in materials science, specializing in the production of glass, ceramics and optical fiber. The firm supplies its products for a wide range of applications, from flat-panel displays in televisions to gasoline particulate filters in automobiles to optical fiber for broadband access, with a leading share in many of its end markets.
Read more on GLW →
