Quest Diagnostics Stock News

Who would have believed that the boring healthcare industry would be the hottest stock sector of 2026? Companies like Johnson & Johnson, Quest Diagnostics and UnitedHealth Group have long been known for producing steady results, driven by patient demand and government reimbursement.

SAN FRANCISCO--(BUSINESS WIRE)--AWKO Law LLP is investigating a data breach that led to unauthorized access to the sensitive information of patients of Quest Diagnostics, a New Jersey-based diagnostic testing company. Quest Diagnostics disclosed in its Securities and Exchange Commission (“SEC”) Form 8-K filing that on October 21, 2026, it identified unauthorized activity in its Quanum Lab Servi...

Medical lab testing giant Quest Diagnostics has confirmed a cyberattack and data breach affecting an as-yet unspecified amount of sensitive patient information stored in its systems, according to a legally required disclosure with U.S. regulators.

Quest Diagnostics did "good enough" against an "increasingly high bar," an analyst said Thursday. But Quest stock fell moderately.

Third quarter revenues of $3.10 billion, up 10.0% from 2025, on strong organic revenue growth Third quarter reported diluted earnings per share ("EPS") of $2.78, up 28.7% from 2025; and adjusted diluted EPS of $3.00, up 15.4% from 2025 Full year 2026 revenues now expected to be between $12.065 billion and $12.105 billion Full year 2026 reported diluted EPS now expected to be between $10.21 and ...

Expands access to most comprehensive FDA-approved HPV test and at-home self-collection option across Quest's national clinician, health plan, and consumer channels starting in 2027 First and only FDA-approved HPV test that supports all ASCCP Enduring Risk-Based Management Guidelines by providing comprehensive extended genotyping Quest Diagnostics serves half of U.S. physicians and hospitals and...

Patients across the U.S. will soon have access to a new cervical cancer test collected from the comfort of their own home—no stirrups, speculum, or in-person doctor's visit needed.