Narrow-moat Quest Diagnostics DGX delivered second-quarter results that slightly exceeded our expectations on the top line, but that was offset by earnings that fell slightly short of our full-year ...

SECAUCUS, N.J., Feb. 24, 2021 /PRNewswire/ -- Quest Diagnostics (NYSE: DGX), the world's leading provider of diagnostic information services, today introduced a new COVID-19 testing service that aids ...

LOS ANGELES, Nov 17 (Reuters) - Quest Diagnostics Inc's molecular test for identifying patients infected with the H1N1 flu virus has been approved by European regulators and is available for ...

(RTTNews) - Quest Diagnostics (DGX) announced the availability of the AD-Detect Test for Alzheimer's Disease on questhealth.com. AD-Detect is a screening test that uses plasma, the liquid component of ...