Quest Diagnostics Inc vs Union Pacific Corporation — how do they compare? Quest Diagnostics Inc trades at $237.51 (market cap $26.21B), while Union Pacific Corporation trades at $292.17 (market cap $173.99B). The key difference: Union Pacific Corporation is far larger — about 6.6× Quest Diagnostics Inc's market cap, and Union Pacific Corporation pays the higher dividend (1.94%). Which is the better fit depends on your goals.
| DGX | UNP | |
|---|---|---|
Market Cap | $26.21B | $173.99B |
Sector | Health | Industrials |
52-Week High | $238.50 | $307.32 |
52-Week Low | $173.49 | $214.91 |
Enterprise Value | $31.97B | $203.04B |
Dividend Yield | 1.45% | 1.94% |
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.
Union Pacific (UNP) trades at $294.24, up 0.68% with strong fundamentals including 28.85% net margins and 39.7% ROE. The stock shows bullish momentum with Q2 2026 EPS beating estimates by 4.6% and management raising full-year guidance. Technical indicators are neutral overall, with the current price near resistance at $294. Recent news highlights institutional accumulation and a 3% dividend increase announced July 29, 2026.
Outlook remains positive with analyst consensus target of $334.33 (13.6% upside) and 58.7% buy ratings. Key opportunities include service-led growth driving margin expansion, while risks involve high fuel costs and regulatory scrutiny of the Norfolk Southern merger. The company's strong cash flow generation supports continued dividend growth and capital returns.
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 →Omaha, Nebraska-based Union Pacific is the largest public railroad in North America. Operating on more than 30,000 miles of track in the western two thirds of the U.S., UP generated roughly $22 billion of revenue in 2021 by hauling coal, industrial products, intermodal containers, agriculture goods, chemicals, and automotive goods. UP owns about one fourth of Mexican railroad Ferromex and derives about 10% of its revenue hauling freight to and from Mexico.
Read more on UNP →