Compare Costco Wholesale Corporation (COST) vs Quest Diagnostics Inc (DGX) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Costco Wholesale Corporation vs Quest Diagnostics Inc — how do they compare? Costco Wholesale Corporation trades at $948.99 (market cap $418.79B), while Quest Diagnostics Inc trades at $237.51 (market cap $26.21B). The key difference: Costco Wholesale Corporation is far larger — about 16× Quest Diagnostics Inc's market cap, and Quest Diagnostics Inc pays the higher dividend (1.45%). Which is the better fit depends on your goals.
| COST | DGX | |
|---|---|---|
Market Cap | $418.79B | $26.21B |
Sector | Consumer Staples | Health |
52-Week High | $1.09K | $238.50 |
52-Week Low | $849.63 | $173.49 |
Enterprise Value | $406.93B | $31.97B |
Dividend Yield | 0.62% | 1.45% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Costco Wholesale Corporation (COST) trades at $948.43, down 0.45% on the day, with technical indicators signaling a bearish trend amid neutral oscillators. The stock shows strong fundamentals with revenue growth to $275.24 billion in 2025 and consistent earnings beats, though it missed Q1 2026 estimates. Recent news highlights membership fee hikes and robust March sales, while analyst consensus remains bullish with a $1,120 price target.
The outlook for COST is positive due to steady revenue growth and high analyst confidence, but risks include elevated valuation multiples and competitive pressures. Investment opportunity lies in its scalable business model and membership-driven profits, though investors should monitor earnings consistency and macroeconomic impacts on consumer spending.
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.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Top news
Latest headlines on both assets
Top news
Latest headlines on both assets
About Costco Wholesale Corporation
The leading warehouse club, Costco has 815 stores worldwide (at the end of fiscal 2021), with most sales derived in the United States (72%) and Canada (14%). It sells memberships that allow customers to shop in its warehouses, which feature low prices on a limited product assortment. Costco mainly caters to individual shoppers, but roughly 20% of paid members carry business memberships. Food and sundries accounted for 40% of fiscal 2021 sales, with non-food merchandise 29%, warehouse ancillary and other businesses (such as fuel and pharmacy) nearly 17%, and fresh food 14%. Costco's warehouses average around 146,000 square feet
Read more on COST →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 →
