Quest Diagnostics Incorporated (DGX) - Stock Analysis

Last updated: Jul 26, 2026

Research Idea

Research content for general circulation. Not individualized advice. Methodology & Disclosures

Quest Diagnostics rallied ~28.5% over 21 days on a Q4/FY2025 beat, above-Street FY2026 guidance, a $1B buyback expansion and 7.5% dividend hike; strong FCF and advanced diagnostics launches (Haystack MRD, CoLab expansion) support near-term continuation from pullbacks toward the 190–205 support band.

Loading chart data...

Idea window: 2/27/2026 – 3/6/2026Sector: Healthcare

AI Analyst Overview

Last Price
$235.94
Market Cap
$21.01B
1D Return
+1.77%
YTD Return
+37.74%

Loading chart data...

Valuation Metrics

P/E
20.4
P/B
2.8
P/S
1.9
EV/EBITDA
13.8
Div Yield
1.72%

Price Behavior

7.0

Key Price Behavior Insights: • Higher highs • Breakout support • Overbought risk Support Level: $214.85-$215.15 Resistance Level: $227.90 DGX is in a strong short-term uptrend near $227.90, but the fast move from last month's $206.84 area leaves it stretched and vulnerable to a pause unless it holds above $215.

bullish
overbought

Sentiment & News

8.0

Key News Insights: • Q2 Beat • Guidance Raise • Demand Broadening Quest Diagnostics posted a Q2 beat, raised 2026 guidance, and is seeing broadening preventive and specialty testing demand that has lifted the stock to new highs.

DGX
Diagnostics
AI

AI Summary

7.0
Positive

DGX has shifted from a defensive healthcare compounder to a “prove-it” growth story after strong Q2 results and raised guidance, but with the stock already re-rated to a premium and new debt added, the key takeaway is that upside now depends on Quest sustaining double-digit growth and holding the breakout near $215 rather than merely meeting expectations.

Growth
Valuation
Breakout
AI summary updated 2 days ago

Description

Quest Diagnostics is a provider of diagnostic testing and related information services in the U.S. and internationally, offering a spectrum of laboratory testing from routine to advanced clinical and anatomic pathology under multiple brands. Its customers include patients, clinicians, hospitals, health plans, employers and life insurers, and it delivers services through laboratories, patient service centers, physician-office phlebotomists, mobile clinicians and call centers. The company also supplies life-insurance risk assessment services and health care IT solutions and is headquartered in Secaucus, New Jersey, where it was founded in 1967.

Idea History

DateCloseTickerCompanySummaryStatusP/L
Feb 27Mar 6DGXQuest Diagnostics Incorporated
Quest Diagnostics rallied ~28.5% over 21 days on a Q4/FY2025 beat, above-Street FY2026 guidance, a $1B buyback expansion and 7.5% dividend hike; strong FCF and advanced diagnostics launches (Haystack MRD, CoLab expansion) support near-term continuation from pullbacks toward the 190–205 support band.
Closed-6.0%
Research content for educational purposes only. Not investment advice. All decisions are your responsibility.