In the pharmaceutical industry, GSK ranks as one of the largest firms by total sales. The company wields its might across several therapeutic classes, including respiratory, antiviral, and vaccines, and has been growing its presence in oncology and immunology, as well. GSK uses joint ventures to gain additional scale in certain markets like HIV.

Centene Corp. is an international healthcare company. Based in St. Louis, Centene offers services to government-sponsored and commercial healthcare providers, with an emphasis on underinsured and uninsured individuals. It is the largest Medicaid managed care organization in the U.S. and a leading provider of insurance under the Affordable Care Act. Its Specialty Services segment provides a range of healthcare products and services to managed care members and other customers.

Biogen Inc. is a biotech company that develops, manufactures, and sells therapies for treating neurological and neurodegenerative diseases. The company is the market leader in MS drugs and launched the first approved treatments for SMA and AD. The company also sells products that treat plaque psoriasis, non-Hodgkin's lymphoma, lymphocytic leukemia, and rheumatoid arthritis. Current research continues on MS and has expanded to include neuroimmunology, ophthalmology, lupus, and other neuromuscular and movement disorders. Founded in 1978, the company is located in Cambridge, Massachusetts; employs 7,500 people; and is a component of the S&P 500.

Yesterday in this space, we featured some well-known quotes from technical thought leaders. Today, we complete our lookback for turbulent times with more meaningful advice, complied by Argus' CMT Mark Arbeter.