NEXA vs EYE Comparison

Nexa Resources SA operate large-scale, mechanized underground and open pit mines, as well as smelters. The company operates through two segments namely Mining and Smelting. Its Mining segment consists of various operating units includes mineral exploration activities and the production of zinc concentrates, copper concentrates and concentrates. The Smelting segment comprises operating units which include facilities recovering and refining zinc metal out of feed materials such as zinc concentrates or secondary feed materials. It generates maximum revenue from the Smelting segment. Geographically It has a presence in Brazil, Peru, the United States of America, Switzerland, Japan, Argentina, South Korea, Colombia, Vietnam, Malaysia and other countries.

National Vision Holdings Inc. is an optical retailer in the United States. Its product portfolio includes eyeglasses, sunglasses, contact lenses, accessories, and other related products. The company operates through a single operating segment. The Owned and Host segment includes the company-owned brands America's Best and Eyeglass World. In America's Best stores, vision care services are provided by optometrists or by independent professional corporations. The Host segment consists of Military and Fred Meyer locations, where eye exams are provided by independent optometrists.