American Electric Power Company Inc vs Quest Diagnostics Inc — how do they compare? American Electric Power Company Inc trades at $124.64 (market cap $67.28B), while Quest Diagnostics Inc trades at $237.54 (market cap $26.21B). The key difference: American Electric Power Company Inc is far larger — about 2.6× Quest Diagnostics Inc's market cap, and American Electric Power Company Inc pays the higher dividend (3.07%). Which is the better fit depends on your goals.
| AEP | DGX | |
|---|---|---|
Market Cap | $67.28B | $26.21B |
Sector | Utilities | Health |
52-Week High | $138.69 | $238.50 |
52-Week Low | $106.44 | $173.49 |
Enterprise Value | $120.17B | $31.97B |
Dividend Yield | 3.07% | 1.45% |
Signals from Pluang's Aura AI — not financial advice
American Electric Power (AEP) trades at $123.89, up 0.85% today, with a bearish technical signal but strong analyst support. Recent Q2 2026 earnings missed estimates at $1.36 EPS versus $1.48 expected, though revenue grew 7% year-over-year. The company raised full-year 2026 operating EPS guidance to $6.25–$6.55, citing robust demand from data centers and a $78 billion capital plan. Valuation metrics include a P/E of 21.42 and P/B of 2.1, with a consensus price target of $140.89 implying 14% upside.
AEP's outlook is supported by contracted load growth and infrastructure investments, but risks include execution of its capital plan and interest expense pressures. The stock offers a dividend yield with an upcoming $0.95 payment. Analyst consensus is strongly bullish with 61% buy ratings, though technical indicators suggest near-term caution. Long-term growth targets of 7–9% annually provide a solid foundation for patient investors.
Quest Diagnostics (DGX) trades at $237.24, down 0.16% on the day, with a bullish technical signal from moving averages. The company reported strong Q2 2026 earnings, beating estimates with EPS of $3.12 and raising its full-year outlook, driven by robust testing demand. Revenue grew to $11.04B in 2025, with net income of $992M, though margins face pressure from lower-margin deals and rising costs.
The outlook is positive due to raised guidance and AI integration enhancing efficiency, but risks include debt levels and margin compression. Analysts maintain a cautious buy stance with a $249.50 price target, indicating modest upside potential from current levels amid competitive and cost challenges.
Trailing returns across standard periods
American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 43% of AEP's of capacity is coal, with the remainder from a mix of natural gas (27%), renewable energy and hydro (19%), nuclear (7%), and demand response (4%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.
Read more on AEP →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 →