Quest Diagnostics Inc vs Diamondback Energy Inc — how do they compare? Quest Diagnostics Inc trades at $237.51 (market cap $26.21B), while Diamondback Energy Inc trades at $199.23 (market cap $56.48B). The key difference: Diamondback Energy Inc is far larger — about 2.2× Quest Diagnostics Inc's market cap, and Diamondback Energy Inc pays the higher dividend (2.18%). Which is the better fit depends on your goals.
| DGX | FANG | |
|---|---|---|
Market Cap | $26.21B | $56.48B |
Sector | Health | Energy |
52-Week High | $238.50 | $213.69 |
52-Week Low | $173.49 | $134.53 |
Enterprise Value | $31.97B | $68.63B |
Dividend Yield | 1.45% | 2.18% |
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.
Diamondback Energy (FANG) trades at $200.97, up 1.01% today, with bullish technical signals and strong earnings beats in Q1 and Q2 2026. The stock benefits from high oil prices, production growth, and a 90% analyst buy rating. Recent news highlights Q2 earnings surpassing estimates, driven by operational efficiency and raised 2026 output guidance. Cash flow from operations improved to $8.76 billion in 2025, though net income margin declined to 8.64%.
The outlook is positive, with a consensus price target of $236.63 offering ~18% upside, supported by debt reduction and Permian Basin strength. Risks include oil price volatility, margin pressure from rising costs, and geopolitical supply disruptions affecting global markets. Institutional inflows, like Balefire LLC's recent purchase, reinforce confidence in growth prospects.
Trailing returns across standard periods
Latest headlines on both assets
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 →Diamondback Energy is an independent oil and gas producer in the United States. The company operates exclusively in the Permian Basin. At the end of 2021, the company reported net proven reserves of 1.8 billion barrels of oil equivalent. Net production averaged about 375,000 barrels per day in 2021, at a ratio of 60% oil, 20% natural gas liquids, and 20% natural gas.
Read more on FANG →