Comcast Corporation vs Quest Diagnostics Inc — how do they compare? Comcast Corporation trades at $23.28 (market cap $82.84B), while Quest Diagnostics Inc trades at $205.45 (market cap $22.80B). The key difference: Comcast Corporation is far larger — about 3.6× Quest Diagnostics Inc's market cap, and Comcast Corporation pays the higher dividend (5.69%). Which is the better fit depends on your goals.
| CMCSA | DGX | |
|---|---|---|
Market Cap | $82.84B | $22.80B |
Sector | Media | Health |
52-Week High | $33.81 | $216.02 |
52-Week Low | $22.32 | $166.42 |
Enterprise Value | $167.98B | $28.82B |
Dividend Yield | 5.69% | 1.67% |
Signals from Pluang's Aura AI — not financial advice
Comcast (CMCSA) trades at $23.97, up 1.7% with strong technical momentum and bullish moving averages. The company demonstrates robust fundamentals with a 16.16% net margin and attractive valuation metrics including P/E of 4.7 and P/B of 0.97. Recent quarterly earnings consistently beat expectations, while strategic moves include the NBCUniversal spin-off and Sky's acquisition of ITV's media unit for $2.14 billion.
The stock presents compelling value with significant upside to the $29.94 consensus target. However, investors face risks from Starlink competition and integration challenges from recent acquisitions. Wall Street maintains strong buy sentiment with 58% analyst support, but execution risks and sector disruption threats warrant careful monitoring.
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.
Trailing returns across standard periods
Comcast is made up of three parts. The core cable business owns networks capable of providing television, internet access, and phone services to roughly 61 million U.S. homes and businesses, or nearly half of the country. About 56% of the homes in this territory subscribe to at least one Comcast service. Comcast acquired NBCUniversal from General Electric in 2011. NBCU owns several cable networks, including CNBC, MSNBC, and USA, the NBC broadcast network, several local NBC affiliates, Universal Studios, and several theme parks. Sky, acquired in 2018, is the dominant television provider in the U.K. and has invested heavily in exclusive and proprietary content to build this position. The firm is also the largest pay-television provider in Italy and has a presence in Germany and Austria.
Read more on CMCSA →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 →