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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
$241.80
+0.0%
$217.76
$171.18
$245.68
$26.69B0.56956,121 shs1.14 million shs
Guardant Health, Inc. stock logo
GH
Guardant Health
$167.88
+2.8%
$152.39
$53.40
$176.58
$22.53B1.62.31 million shs2.55 million shs
Labcorp Holdings Inc. stock logo
LH
Labcorp
$332.67
+0.7%
$289.75
$244.52
$338.19
$26.98B0.87680,442 shs731,833 shs
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
$15.18
-11.3%
$14.92
$12.94
$17.49
$7.50B0.64107,941 shs15,056 shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
+2.14%+1.79%+16.55%+24.84%+32.28%
Guardant Health, Inc. stock logo
GH
Guardant Health
+2.01%-1.07%+10.31%+38.41%+178.88%
Labcorp Holdings Inc. stock logo
LH
Labcorp
+2.51%+2.44%+17.77%+29.36%+19.78%
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
+5.00%+8.23%+12.87%+27.99%-9.81%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
$241.80
+0.0%
$217.76
$171.18
$245.68
$26.69B0.56956,121 shs1.14 million shs
Guardant Health, Inc. stock logo
GH
Guardant Health
$167.88
+2.8%
$152.39
$53.40
$176.58
$22.53B1.62.31 million shs2.55 million shs
Labcorp Holdings Inc. stock logo
LH
Labcorp
$332.67
+0.7%
$289.75
$244.52
$338.19
$26.98B0.87680,442 shs731,833 shs
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
$15.18
-11.3%
$14.92
$12.94
$17.49
$7.50B0.64107,941 shs15,056 shs
10 Best Stocks to Own - Summer 2026 Cover

Enter your email address and we’ll send you MarketBeat’s list of ten stocks set to soar in Summer 2026, despite the threat of tariffs and what's happening in Iran. These ten stocks are incredibly resilient and are likely to thrive in any economic environment.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
+2.14%+1.79%+16.55%+24.84%+32.28%
Guardant Health, Inc. stock logo
GH
Guardant Health
+2.01%-1.07%+10.31%+38.41%+178.88%
Labcorp Holdings Inc. stock logo
LH
Labcorp
+2.51%+2.44%+17.77%+29.36%+19.78%
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
+5.00%+8.23%+12.87%+27.99%-9.81%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
2.54
Moderate Buy$235.31-2.68% Downside
Guardant Health, Inc. stock logo
GH
Guardant Health
2.96
Moderate Buy$183.789.47% Upside
Labcorp Holdings Inc. stock logo
LH
Labcorp
2.75
Moderate Buy$330.00-0.80% Downside
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
1.00
SellN/AN/A

Current Analyst Ratings Breakdown

Latest SKHHY, DGX, LH, and GH Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
8/12/2026
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
UpgradeBuy (B+)Buy (A-)
8/10/2026
Labcorp Holdings Inc. stock logo
LH
Labcorp
Set Price Target$355.00
8/4/2026
Guardant Health, Inc. stock logo
GH
Guardant Health
Boost Price TargetOverweight$170.00 ➝ $195.00
8/4/2026
Guardant Health, Inc. stock logo
GH
Guardant Health
Boost Price TargetOverweight$135.00 ➝ $193.00
8/4/2026
Guardant Health, Inc. stock logo
GH
Guardant Health
Boost Price TargetOverweight$175.00 ➝ $185.00
8/4/2026
Labcorp Holdings Inc. stock logo
LH
Labcorp
Boost Price TargetNeutral$300.00 ➝ $309.00
8/3/2026
Labcorp Holdings Inc. stock logo
LH
Labcorp
Boost Price TargetOverweight$330.00 ➝ $360.00
7/31/2026
Labcorp Holdings Inc. stock logo
LH
Labcorp
Boost Price TargetOverweight$308.00 ➝ $338.00
7/31/2026
Guardant Health, Inc. stock logo
GH
Guardant Health
Boost Price TargetOutperform$185.00 ➝ $200.00
7/31/2026
Guardant Health, Inc. stock logo
GH
Guardant Health
Set Price Target$210.00
7/31/2026
Labcorp Holdings Inc. stock logo
LH
Labcorp
Reiterated RatingHold$306.00
(Data available from 8/20/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
$11.04B2.42$15.53 per share15.57$70.84 per share3.41
Guardant Health, Inc. stock logo
GH
Guardant Health
$982.02M22.94N/AN/A($1.66) per share-101.13
Labcorp Holdings Inc. stock logo
LH
Labcorp
$14.35B1.88$25.63 per share12.98$106.13 per share3.13
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
$6.25B1.20$0.63 per share24.07$11.10 per share1.37
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
$992M$9.4225.6720.202.189.18%16.01%7.27%10/20/2026 (Estimated)
Guardant Health, Inc. stock logo
GH
Guardant Health
-$416.28M-$3.49N/AN/AN/A-38.33%N/A-25.40%10/28/2026 (Estimated)
Labcorp Holdings Inc. stock logo
LH
Labcorp
$876.50M$12.0927.5216.921.866.99%16.74%7.81%10/27/2026 (Estimated)
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
$332.61MN/AN/A16.87N/AN/AN/AN/A8/20/2026 (Estimated)

Latest SKHHY, DGX, LH, and GH Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
8/20/2026N/A
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
$0.4619N/AN/AN/A$3.80 billionN/A
7/30/2026Q2 2026
Guardant Health, Inc. stock logo
GH
Guardant Health
-$0.7618-$0.42+$0.3418-$0.90$314.23 million$334.98 million
7/30/2026Q2 2026
Labcorp Holdings Inc. stock logo
LH
Labcorp
$4.78$4.99+$0.21$3.64$3.71 billion$3.73 billion
7/23/2026Q2 2026
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
$2.82$3.12+$0.30$2.84$2.97 billion$3.04 billion
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
$3.441.42%+7.34%36.52%14 Years
Guardant Health, Inc. stock logo
GH
Guardant Health
N/AN/AN/AN/AN/A
Labcorp Holdings Inc. stock logo
LH
Labcorp
$2.880.87%N/A23.82%N/A
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
$0.563.69%N/AN/AN/A

Latest SKHHY, DGX, LH, and GH Dividends

AnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date
8/12/2026
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
quarterly$0.861.45%10/6/202610/6/202610/21/2026
7/9/2026
Labcorp Holdings Inc. stock logo
LH
Labcorp
quarterly$0.721.04%8/28/20268/28/20269/11/2026
(Data available from 1/1/2013 forward)
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
0.72
1.59
1.46
Guardant Health, Inc. stock logo
GH
Guardant Health
N/A
4.03
3.71
Labcorp Holdings Inc. stock logo
LH
Labcorp
0.69
1.80
1.53
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
0.59
1.01
0.90

Institutional Ownership

CompanyInstitutional Ownership
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
88.06%
Guardant Health, Inc. stock logo
GH
Guardant Health
92.60%
Labcorp Holdings Inc. stock logo
LH
Labcorp
95.94%
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
0.01%

Insider Ownership

CompanyInsider Ownership
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
0.88%
Guardant Health, Inc. stock logo
GH
Guardant Health
5.60%
Labcorp Holdings Inc. stock logo
LH
Labcorp
0.84%
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
N/A
CompanyEmployeesShares OutstandingFree FloatOptionable
Quest Diagnostics Incorporated stock logo
DGX
Quest Diagnostics
57,000110.37 million109.40 millionOptionable
Guardant Health, Inc. stock logo
GH
Guardant Health
2,506134.20 million126.68 millionNot Optionable
Labcorp Holdings Inc. stock logo
LH
Labcorp
71,00081.10 million80.42 millionOptionable
Sonic Healthcare Ltd. Sponsored ADR stock logo
SKHHY
Sonic Healthcare
45,000494.24 millionN/ANot Optionable

Recent News About These Companies

Sonic Healthcare initiated with a Buy at Goldman Sachs
Sonic Healthcare Ltd ADR
Jarden Sticks to Their Hold Rating for Sonic Healthcare Limited (SHL)
UBS Reaffirms Their Hold Rating on Sonic Healthcare Limited (SHL)
Sonic Healthcare Limited (SHL) Gets a Hold from Jefferies
RBC Capital Sticks to Their Hold Rating for Sonic Healthcare Limited (SHL)

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

View All Headlines
Quest Diagnostics stock logo

Quest Diagnostics NYSE:DGX

$241.80 +0.04 (+0.02%)
Closing price 03:58 PM Eastern
Extended Trading
$238.39 -3.41 (-1.41%)
As of 05:49 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Quest Diagnostics Incorporated provides diagnostic testing and services in the United States and internationally. 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 offers diagnostic information services primarily under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals, patients and consumers, health plans, government agencies, employers, retailers, pharmaceutical companies and insurers, and accountable care organizations through a network of laboratories, patient service centers, phlebotomists in physician offices, call centers and mobile phlebotomists, nurses, and other health and wellness professionals. The company also provides risk assessment services for the life insurance industry; and healthcare organizations and clinicians information technology solutions. Quest Diagnostics Incorporated was founded in 1967 and is headquartered in Secaucus, New Jersey.

Guardant Health stock logo

Guardant Health NASDAQ:GH

$167.88 +4.54 (+2.78%)
Closing price 04:00 PM Eastern
Extended Trading
$169.50 +1.62 (+0.97%)
As of 06:07 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Guardant Health, Inc., a precision oncology company, provides blood and tissue tests, data sets, and analytics in the United States and internationally. The company provides Guardant360; Guardant360 LDT; Guardant360 CDx Test; Guardant360 Response Test; Guardant360 TissueNext Test; GuardantINFINITY Test; GuardantConnect, an integrated software-based solution designed for clinical and biopharmaceutical customers to connect patients tested with assays with actionable alterations with potentially relevant clinical studies; GuardantOMNI Test for advanced stage cancer; and GuardantINFORM, an in-silico research platform for tumor evolution and treatment resistance across various biomarker-driven cancers. It offers Shield Test; Guardant Reveal Test for adjuvant treatment selection in early-stage cancer patients; Smart Liquid Biopsy Platform; and Guardant Galaxy, an AI-backed digital pathology platform that helps improve cancer biomarker detection. In addition, the company offers development services, including companion diagnostic development and regulatory approval, clinical study setup, monitoring and maintenance, testing development and support, technologies licensing, and kits fulfillment. The company has a collaboration agreement with Illumina, Inc. for the sharing of specimen samples to advance cancer research. The company was incorporated in 2011 and is headquartered in Palo Alto, California.

Labcorp stock logo

Labcorp NYSE:LH

$332.67 +2.23 (+0.67%)
Closing price 03:58 PM Eastern
Extended Trading
$337.46 +4.78 (+1.44%)
As of 06:15 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Labcorp Holdings, Inc. engages in providing medical testing services. The company was founded on April 16, 2024 and is headquartered in Burlington, NC.

Sonic Healthcare stock logo

Sonic Healthcare OTCMKTS:SKHHY

$15.18 -1.94 (-11.33%)
As of 03:59 PM Eastern

Sonic Healthcare Limited offers medical diagnostic services to medical practitioners, hospitals, community health services, and their collective patients. The company provides laboratory medicine/pathology testing services, such as biochemistry, cytopathology, genetics, haematology, histopathology, immunoserology, microbiology, molecular pathology, prenatal testing, toxicology, and ancillary functions; and radiology services, including magnetic resonance imaging, computed tomography (CT), ultrasound, X-ray, mammography, nuclear medicine, PET CT, interventional procedures, and bone mineral densitometry. It offers primary care medical services comprising general practice clinics, occupational health services, skin cancer clinics, after-hours general practice services, general practice IT solutions, and community-based healthcare services. The company operates in Australia, the United Kingdom, Ireland, the United States, Germany, Switzerland, New Zealand, Belgium, and internationally. Sonic Healthcare Limited was incorporated in 1934 and is headquartered in Sydney, Australia.