Compare Quest Diagnostics Inc (DGX) vs Valero Energy Corporation (VLO) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Quest Diagnostics Inc vs Valero Energy Corporation — how do they compare? Quest Diagnostics Inc trades at $204.9 (market cap $22.80B), while Valero Energy Corporation trades at $289.94 (market cap $89.50B). The key difference: Valero Energy Corporation is far larger — about 3.9× Quest Diagnostics Inc's market cap, and Quest Diagnostics Inc pays the higher dividend (1.67%). Which is the better fit depends on your goals.
| DGX | VLO | |
|---|---|---|
Market Cap | $22.80B | $89.50B |
Sector | Health | Energy |
52-Week High | $216.02 | $301.43 |
52-Week Low | $166.42 | $131.77 |
Enterprise Value | $28.82B | $95.26B |
Dividend Yield | 1.67% | 1.59% |
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 $207.35, showing minimal daily movement with a slight decline of 0.04%. The stock maintains a bullish technical stance with recent earnings beats and analyst consensus pointing to upside potential. Recent developments include New York State approval for Haystack MRD testing and strong momentum across diagnostic channels. Revenue growth accelerated to $11.04 billion in 2025 with consistent profitability margins around 9%.
DGX presents a balanced investment case with 38% analyst buy ratings and a $227.75 price target suggesting 10% upside. The company demonstrates steady revenue growth and operational efficiency, though elevated debt levels and policy risks require monitoring. Second quarter earnings on July 23, 2026, will be crucial for validating current momentum and growth trajectory.
Valero Energy (VLO) trades at $295.79, up 5.38% in the last session, reflecting strong momentum amid bullish technical signals and positive earnings surprises. The stock's valuation metrics, including a P/E of 20.5 and P/S of 0.69, appear reasonable relative to historical levels, while profitability remains solid with a 17.72% ROE. Recent news highlights VLO's exposure to elevated refining margins and strong fuel demand, particularly benefiting its Gulf Coast operations.
The outlook for VLO is supported by robust refining fundamentals and a favorable analyst consensus, though risks include volatile energy markets and declining revenue trends. Upside potential exists if the company continues to exceed earnings expectations and capitalizes on tight product supplies, but investors should monitor margin pressures and macroeconomic headwinds.
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 Valero Energy Corporation
Valero Energy is one of the largest independent refiners in the United States. It operates 14 refineries with a total throughput capacity of 3.2 million barrels a day in the United States, Canada, and the United Kingdom. Valero also owns 14 ethanol plants with capacity of 1.7 billion gallons of ethanol a year and holds a 50% stake in Diamond Green Diesel, which has capacity to produce 700 million gallons per year of renewable diesel.
Read more on VLO →
