Compare Quest Diagnostics Inc (DGX) vs MasTec Inc (MTZ) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Quest Diagnostics Inc vs MasTec Inc — how do they compare? Quest Diagnostics Inc trades at $238.13 (market cap $26.21B), while MasTec Inc trades at $281.68 (market cap $21.90B). The key difference: Quest Diagnostics Inc is the larger of the two by market cap, and Quest Diagnostics Inc pays a 1.45% dividend while MasTec Inc pays none. Which is the better fit depends on your goals.
| DGX | MTZ | |
|---|---|---|
Market Cap | $26.21B | $21.90B |
Sector | Health | Technology |
52-Week High | $238.50 | $437.51 |
52-Week Low | $173.49 | $172.51 |
Enterprise Value | $31.97B | $24.81B |
Dividend Yield | 1.45% | — |
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 $237.63, down slightly by 0.3% today, but maintains strong momentum with three consecutive quarterly earnings beats and a raised 2026 outlook. The stock shows bullish technical signals with moving averages supporting upward trends, while fundamentals reveal solid revenue growth to $11.04 billion in 2025 and improving profit margins. Recent news highlights surging testing demand and AI implementation driving operational efficiency.
DGX presents a favorable investment case with analyst consensus price target of $249.50 offering 5% upside potential. Strong testing demand, strategic partnerships, and earnings momentum support growth, though elevated debt levels and margin pressures from lower-margin deals pose moderate risks. The stock's current valuation at 25.21 P/E appears reasonable given growth prospects.
MasTec (MTZ) trades at $283.76, up 5.77% over 24 hours, with a bearish technical signal but strong fundamentals. The company reported record Q2 2026 revenue of $4.374 billion, up 23% year-over-year, and raised its full-year outlook. Analyst consensus is overwhelmingly bullish with a $439.56 price target, though technical indicators show resistance near $283.
The outlook remains positive due to robust infrastructure demand, a record $21.4 billion backlog, and strategic acquisitions like The Superior Group. Risks include execution challenges in communications segments and high valuation multiples. Earnings growth and backlog execution are key catalysts for further upside.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
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 MasTec Inc
MasTec, Inc. is a leading infrastructure construction company operating mainly in North America. The company's services cover a diverse range of end-markets, including communications (building fiber and wireless infrastructure), oil & gas, electric power (transmission, distribution, and clean energy), and industrial projects. MTZ provides critical engineering, procurement, and construction (EPC) services that support the expansion and maintenance of essential infrastructure across the continent.
Read more on MTZ →
