Quest Diagnostics Inc. (DGX) Price and Market Data

Quest Diagnostics Inc. (DGX) is a leading independent provider of diagnostic testing, information, and related services in the United States. More than 97% of the company’s revenue comes from clinical testing, anatomic pathology, esoteric testing, and substance abuse testing, supported by specimens collected through its nationwide network of approximately 2,400 patient service centers, as well as physicians’ offices and hospitals. Quest Diagnostics also operates a smaller diagnostic solutions segment focused on clinical trial testing, risk assessment services, and information technology solutions.