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 $237.16 (market cap $26.21B), while Valero Energy Corporation trades at $325.43 (market cap $93.27B). The key difference: Valero Energy Corporation is far larger — about 3.6× Quest Diagnostics Inc's market cap, and Valero Energy Corporation pays the higher dividend (1.48%). Which is the better fit depends on your goals.
| DGX | VLO | |
|---|---|---|
Market Cap | $26.21B | $93.27B |
Sector | Health | Energy |
52-Week High | $238.50 | $323.92 |
52-Week Low | $173.49 | $133.38 |
Enterprise Value | $31.97B | $96.74B |
Dividend Yield | 1.45% | 1.48% |
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.
Valero Energy (VLO) trades at $314.95, up 5.58% in 24 hours, reflecting strong momentum. The stock exhibits bullish technical signals with key support at $307 and resistance at $324. Recent quarterly earnings consistently beat expectations, with Q2 2026 EPS of $12.54 surpassing the $10.11 estimate. Revenue for 2026 is projected to rise to $139.4 billion, with net income margin improving to 5.17%.
Outlook remains positive due to robust refining margins and renewable diesel growth, but risks include volatile oil prices and geopolitical tensions. Analysts maintain a buy consensus with a $324.27 price target, indicating potential upside. Investors should monitor execution on earnings guidance and global energy supply dynamics.
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 →
