Check out which companies are making headlines before the bell Thursday:
Corning - The maker of specialty glass and other materials rose in premarket trade after Citi Research upgraded its shares to "buy" from "neutral."
Hertz Global Holdings - The car-rental company jumped in early New York trading after investor Carl Icahn reported hiking his stake in the company.
Hyatt Hotels - The lodging company and competitors including Hilton Worldwide Holdings and Starwood Hotels & Resorts Worldwide rose after Evercore initiated coverage with a "buy" recommendation. Marriott International was little moved as Evercore initiated coverage of its shares with a "hold" rating.