DGX vs TW Comparison

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.

Founded in 1998 and headquartered in New York City, Tradeweb Markets is a leading fixed-income trading platform. While it does offer electronic processing for some voice-negotiated trades, the company focuses primarily on providing electronic trading networks that connect broker/dealers, institutional clients, and retail customers. While the company offers trading in a wide variety of products, the bulk of its business is in US and European government debt, mortgage-backed securities, interest-rate swaps, and US and international corporate bonds. The firm also sells fixed-income trading and price data, primarily through a deal with Refinitiv's Eikon service.