AstraZeneca is a holding company. Through its subsidiaries, Co. operates as a biopharmaceutical company engaged in discovering, developing, manufacturing and commercializing its pipeline of small molecule and biologic prescription medicines, including targeted business development through collaboration, in-licensing and acquisitions. Co. is focused on three main therapy areas: Oncology, Cardiovascular and Metabolic Diseases, and Respiratory. Co. is also selectively active in autoimmunity, infection and neuroscience. In addition, Co. works across small molecules, oligonucleotides and other drug platforms, as well as biologic medicines.

DISH Network is a holding company. Through its subsidiaries, the company operates two business segments: Pay-TV and Wireless. The company provides pay-TV services under: the DISH? brand, which consists of, among other things, Federal Communications Commission licenses authorizing the company to use direct broadcast satellite and Fixed Satellite Service spectrum, the company's owned and leased satellites, and certain other assets utilized in the company's operations; and the Sling? brand, which consists of, among other things, live-linear streaming over-the-top Internet-based domestic, international and Latino video programming services. In addition, the company invests to acquire certain wireless spectrum licenses and related assets.

Goldman Sachs Group is a bank holding company and financial holding company. The company is a global investment banking, securities and investment management firm that provides a range of financial services to corporations, financial institutions, governments and individuals. The company operates in four business segments: Investment Banking, which serves public and private sector clients and provides financial advisory services; Global Markets, which serves its clients who come to the company to buy and sell financial products, raise funding and manage risk; Asset Management, which provides investment services; and Consumer & Wealth Management, which provides a range of wealth advisory and banking services.

Microsoft is a technology company. The company develops and supports software, services, devices, and solutions. The company provides an array of services, including cloud-based solutions as well as solution support and consulting services. The company also delivers relevant online advertising. The company's products include operating systems; cross-device productivity applications; server applications; business solution applications; desktop and server management tools; software development tools; and video games. The company also designs, manufactures, and sells devices, including personal computers, tablets, gaming and entertainment consoles, other devices, and related accessories.

Palo Alto Networks provides a platform that allows enterprises, service providers, and government entities to secure their organizations. The company's platform uses a traffic classification engine that identifies network traffic by application, user, and content and provides security across the network, endpoint, and cloud. The company's product, subscription, and support offerings include: firewall appliances and software; and Panorama, which is a centralized security management solution for global control of various firewall appliances and software deployed on an end-customer's network as well as in their instances in public or private cloud environments as a virtual appliance or a physical appliance.