Quest Diagnostics Incorporated (DGX) Stock Overview
NYSE · Healthcare · Diagnostics & Research
About Quest Diagnostics Incorporated
Quest Diagnostics Incorporated provides diagnostic testing and services in the United States. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It…
Source: Yahoo Finance
Sector & Industry
Quest Diagnostics Incorporated operates in the Healthcare sector, within the Diagnostics & Research industry group. It is listed on the NYSE exchange.
Quest Diagnostics Incorporated at a Glance
| Company | Quest Diagnostics Incorporated |
| Ticker | DGX |
| Exchange | NYSE |
| Currency | USD |
| Price | $210.68 |
| Market cap | $23.32B |
| P/E ratio (trailing) | 23.25 |
| EPS (trailing) | $9.06 |
| 52-week high | $219.20 |
| 52-week low | $165.30 |
| Dividend yield | 1.63% |
| Sector | Healthcare |
| Industry | Diagnostics & Research |
| Employees | 57,000 |
| Country | United States |
Investing Essentials
As an Amazon Associate we earn from qualifying purchases. Links below are affiliate links.
Evaluating pharma pipelines, devices and healthcare economics.
Check Price →A practical framework for judging whether a dividend is safe and worth owning.
Check Price →Top-rated books on building an income portfolio from dividend payers.
Check Price →Frequently Asked Questions
What is Quest Diagnostics Incorporated's P/E ratio?
Quest Diagnostics Incorporated (DGX) has a trailing P/E ratio of 23.25 as of our latest data snapshot.
What is Quest Diagnostics Incorporated's market cap?
Quest Diagnostics Incorporated's market capitalisation is $23.32B based on the most recent snapshot.
What is DGX's 52-week range?
Over the past 52 weeks, DGX has traded between $165.30 and $219.20.
Need to convert currencies or units alongside this data? Our quick conversion tools are always on hand.
Many readers keep a stock investing journal to log positions and theses alongside pages like this one, and a dedicated financial calculator to hand for quick valuation maths.
Recommended Reading & Tools
Benjamin Graham's classic on value investing — the book Warren Buffett calls the best ever written on the subject.
Check Price →Peter Lynch on how everyday investors can spot winners before the professionals do.
Check Price →Morgan Housel's short lessons on behaviour, luck and long-term wealth.
Check Price →Related Healthcare Stocks
Data snapshot: 18 July 2026 (Yahoo Finance) · Page last built: