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Quest Diagnostics Inc Stock Price, News & Analysis

DGX NYSE

Welcome to our dedicated page for Quest Diagnostics news (Ticker: DGX), a resource for investors and traders seeking the latest updates and insights on Quest Diagnostics stock.

Quest Diagnostics Incorporated (NYSE: DGX) is a medical laboratories company focused on diagnostic testing and diagnostic information services, and its news flow reflects its role across the healthcare ecosystem. The company regularly issues updates on its financial reporting schedule, including announcements about quarterly and full-year results and related conference calls, which are of interest to investors tracking DGX stock and performance trends.

News about Quest Diagnostics also covers participation in major healthcare and investor conferences. For example, the company has announced presentations at events such as the J.P. Morgan Healthcare Conference and Citi’s Global Healthcare Conference, where its leadership discusses strategy, performance and market developments. These appearances provide insight into how the company views its position in the diagnostic testing and information services market.

Quest Diagnostics’ news includes information on collaborations and joint ventures that expand access to laboratory services. Announcements have highlighted a laboratory services joint venture with Corewell Health in Michigan, as well as the ongoing role of Sonora Quest Laboratories, an Arizona-based joint venture between Banner Health and Quest Diagnostics. Such items help readers understand how Quest Diagnostics partners with health systems to deliver regional laboratory services and hospital lab management solutions.

In addition, Quest Diagnostics reports on developments in specialized diagnostics through subsidiaries and collaborations. News has featured Haystack MRD, a minimal residual disease test developed by Haystack Oncology, a wholly owned subsidiary of Quest Diagnostics, including data presentations at scientific meetings and clinical research collaborations. Other coverage has described a strategic collaboration with Octave Bioscience to expand access to the Octave Multiple Sclerosis Disease Activity Test through Quest’s specimen-collection network.

Visitors to the DGX news page can review these types of updates to follow financial communications, strategic partnerships, scientific data presentations and corporate announcements that shape Quest Diagnostics’ activities in the medical laboratories sector.

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FAQ

What is the current stock price of Quest Diagnostics (DGX)?

The current stock price of Quest Diagnostics (DGX) is $190.26 as of January 15, 2026.

What is the market cap of Quest Diagnostics (DGX)?

The market cap of Quest Diagnostics (DGX) is approximately 20.8B.
Quest Diagnostics Inc

NYSE:DGX

DGX Rankings

DGX Stock Data

20.78B
110.75M
0.4%
99.16%
3.8%
Diagnostics & Research
Services-medical Laboratories
Link
United States
SECAUCUS