Compare Quest Diagnostics Inc (DGX) vs Quanta Services Inc (PWR) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Quest Diagnostics Inc vs Quanta Services Inc — how do they compare? Quest Diagnostics Inc trades at $237.24 (market cap $26.21B), while Quanta Services Inc trades at $682.17 (market cap $100.82B). The key difference: Quanta Services Inc is far larger — about 3.8× 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 | PWR | |
|---|---|---|
Market Cap | $26.21B | $100.82B |
Sector | Health | Industrials |
52-Week High | $238.50 | $785.24 |
52-Week Low | $173.49 | $372.50 |
Enterprise Value | $31.97B | $106.91B |
Dividend Yield | 1.45% | 0.07% |
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.
PWR trades at $680.97, up 3.04% today, with a bullish technical signal and strong earnings beats in recent quarters. The company reported robust revenue growth, reaching $28.48B in 2025, and raised its 2026 outlook, supported by a record backlog and infrastructure demand. However, valuation ratios like a P/E of 76.73 and P/S of 3.1 are elevated, indicating high expectations.
The outlook is positive due to accelerating infrastructure investments and analyst consensus favoring buys, with a price target of $809.75. Risks include high valuation sensitivity, project execution challenges, and macroeconomic pressures on capital spending. Earnings growth remains the key catalyst for further upside, but investors should weigh premium pricing against execution risks.
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 Quanta Services Inc
Quanta Services is a leading provider of specialty contracting services, delivering comprehensive infrastructure solutions for the electric and gas utility, communications, pipeline, and energy industries in the United States, Canada, and Australia. Quanta reports its results under two reportable segments: electric power infrastructure solutions and underground utility and infrastructure solutions. In October 2021, the company completed the acquisition of Blattner, a provider of comprehensive engineering, procurement, and construction solutions to customers in the renewable energy industry.
Read more on PWR →
