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 $237.51 (market cap $26.21B), while Quanta Services Inc trades at $679 (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 $237.99, up 0.15% on the day, near its 52-week high. The stock shows strong momentum with consecutive earnings beats in 2026, including Q2 EPS of $3.12 versus $2.82 expected. Revenue growth accelerated to $11.04 billion in 2025, with net income margin at 9.19%. Technical indicators signal a bullish trend, while analyst consensus is a $249.50 price target. Recent news highlights AI integration and raised 2026 outlook amid robust testing demand.
The outlook for DGX is positive, driven by earnings momentum, strategic partnerships, and healthcare demand. Investment opportunity lies in sustained growth and dividend yield, but risks include margin pressure from lower-margin deals and high debt levels. Valuation at a P/E of 25.21 requires continued execution to justify upside.
PWR trades at $677.91, up 2.58% today, with strong technical momentum above key support at $664. The company demonstrates robust fundamentals with Q2 2026 EPS of $4.24 beating expectations by 28%, revenue growth accelerating to $28.48B in 2025, and a record backlog supporting raised 2026 guidance. Analyst sentiment remains overwhelmingly positive with 72% buy ratings and a $809.75 consensus target.
PWR offers compelling growth exposure to infrastructure demand, particularly in power and data centers, but faces valuation concerns with a P/E of 76.7x. Near-term risks include execution on large projects and macroeconomic sensitivity, while institutional accumulation and strong cash flow generation support the bullish thesis.
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 →
