Argus
•
May 05, 2026
Quest Diagnostics Incorporated: Brain health and oncology tests drive growth
Summary
Quest Diagnostics is a provider of clinical diagnostic services that help to identify and treat disease and improve healthcare management. The company is based in Secau
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David H. Toung
Senior Analyst: Medical Devices & Healthcare Services
David covers the Pharmaceutical, Medical Devices, and Healthcare services sectors for Argus. He has more than two decades of experience in the financial analysis industry, having worked for McDonald & Co., JPMorgan Chase and Standard & Poor's, among others. His commentary has appeared on CNBC and in The New York Times. Prior to his financial career, David was a private practice attorney in New Jersey, and served as a Judicial Clerk for an Appellate Division judge in the New Jersey Superior Court. David has a law degree from Rutgers University, where he was a member of the Law Review. He has a B.A. degree in Government from Cornell University. He has passed Level II of the Chartered Financial Analyst examination.
