Autozone Inc vs Quest Diagnostics Inc — how do they compare? Autozone Inc trades at $2,985.74 (market cap $49.50B), while Quest Diagnostics Inc trades at $204.77 (market cap $22.80B). The key difference: Autozone Inc is far larger — about 2.2× Quest Diagnostics Inc's market cap, and Quest Diagnostics Inc pays a 1.67% dividend while Autozone Inc pays none. Which is the better fit depends on your goals.
| AZO | DGX | |
|---|---|---|
Market Cap | $49.50B | $22.80B |
Sector | Consumer Cyclical | Health |
52-Week High | $4.35K | $216.02 |
52-Week Low | $2.94K | $166.42 |
Enterprise Value | $61.88B | $28.82B |
Dividend Yield | — | 1.67% |
Signals from Pluang's Aura AI — not financial advice
AutoZone (AZO) trades at $3,078.98, up 0.21% on the day, with a bearish technical signal from moving averages despite neutral oscillators. The company reported mixed recent earnings, beating in Q1 2026 but missing in Q3 2025, with revenue growing to $18.94B in 2025. Analyst sentiment remains strongly positive with a 72.73% buy rating and a consensus price target of $3,740, though recent news highlights stock volatility and competitive pressures.
The outlook for AZO is supported by solid fundamentals, including a 12.4% net income margin and aggressive share buybacks, but risks include slowing profit margin trends and bearish technical indicators. Upside potential exists if the company meets Q2 2026 EPS expectations of 54.51, though investors should monitor same-store sales growth and international expansion execution.
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
Latest headlines on both assets
AutoZone is the premier seller of aftermarket automotive parts, tools, and accessories to do-it-yourself customers in the United States. The company derives an increasing proportion of its sales from domestic commercial customers, although its presence in its home market is still dominated by its do-it-yourself operation, which accounts for nearly 75% of sales in country. AutoZone also has a growing presence in Mexico and Brazil. AutoZone had 6,767 stores in the U.S. (6,051), Mexico (664), and Brazil (52) as of the end of fiscal 2021.
Read more on AZO →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 →