Quest Diagnostics Inc.
Market cap $28.2B
$255.63
DGX
$255.63
+0.35% today
Buy with €1M virtual cash · No real money
Quest Diagnostics Inc. (DGX) is a publicly traded company listed on the XNYS. As of November 8, 2026, Invest's signal rates DGX a Buy, with the stock up 43% over the past year. You can practice trading DGX risk-free with €1,000,000 in virtual cash.
Key stats
As of November 8, 2026
Market Cap
$28.2B
Volume
945K
52-wk High
$259.00
52-wk Low
$171.18
Day High
$258.13
Day Low
$250.00
Performance
1M
+10.8%
6M
+36.4%
1Y
+43.4%
Invest signal · DGX
BuyAlgorithmic signal from price trend, valuation, and fundamentals — educational only, not financial advice.
DGX overview
AI overviewLatest DGX news
Will DaVita's Q3 Earnings Reflect Improving Treatment Growth Trends?
Zacks Investment Research · Oct 27
Why Quest Diagnostics (DGX) is a Top Momentum Stock for the Long-Term
Zacks Investment Research · Oct 23
DGX Q3 Earnings & Revenues Beat, '26 View Raised, Stock Down in Pre-Market
Zacks Investment Research · Oct 22
Quest Diagnostics (DGX) Q3 Earnings and Revenues Beat Estimates
Zacks Investment Research · Oct 22
Beat the Market Like Zacks: Thermo Fisher, Cricut, Shopify in Focus
Zacks Investment Research · Oct 5
About Quest Diagnostics Inc.
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 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.
Employees
57,000
30-Day Win Rate · DGX
13 days
11 days
Last 24 sessions
How to practice trading DGX
- 1
Use the DGX buy panel above
Set a quantity and hit Buy at the real market price — right here, nothing to download.
- 2
Trade with €1,000,000 virtual cash
You get a million in virtual money instantly to invest, risk-free.
- 3
Create a free account to save it
Sign up in seconds to keep your portfolio and track its performance.
- 4
Track and compete
Watch your portfolio grow and climb the global leaderboard — or start a private league.
- 5
Prefer mobile? Get the iOS app
Invest is also free on the App Store, synced with your web account.
Top DGX traders on Invest
Full leaderboardFrequently asked questions
Is DGX a good stock to buy right now?
As of November 8, 2026, Invest's signal rates DGX a Buy, based on its price trend, valuation, and fundamentals, with the stock up 43% over the past year. This is an educational signal, not financial advice — the best way to test the thesis is to practice trading DGX risk-free first.
What is Quest Diagnostics Inc.'s (DGX) market cap?
Quest Diagnostics Inc. has a market capitalization of approximately $28.2B.
How has DGX stock performed?
DGX is up 43% over the past year and up 36% over six months. Its 52-week range runs roughly from $171.18 to $259.00. Past performance doesn't predict future results.
How can I practice trading DGX for free?
On Invest you get €1,000,000 in virtual cash and can buy DGX at real market prices right in your browser — no download and no real money at risk. Create a free account to save your portfolio and track its performance over time.
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