Corning (GLW) Stock Analysis & Winston Score
Corning makes specialty glass and materials that go inside everyday products. Its most famous product is Gorilla Glass, the tough screen cover used on smartphones made by Apple, Samsung, and others. Corning also makes the glass fiber cables that carry internet data around the world, and special glass used in TV screens, cars, and scientific lab equipment. Corning earns money by selling its materials and components to large manufacturers, not directly to consumers. It operates globally, with major customers and facilities across the United States, Asia, and Europe, and generates roughly $14 billion in annual revenue. The company's main advantage is its deep expertise in glass science, which is hard for competitors to copy quickly. The biggest growth driver right now is demand for fiber optic cable, as telecom companies and data center operators spend heavily to expand high-speed internet networks — though a slowdown in smartphone sales or capital spending by telecom companies remains a real risk to revenue.
Winston Score: 59/100 — Good
A decent business — some strong pillars, some weaker.
- Quality: Mixed (11/30)
- Growth: Exceptional (20/20)
- Cash Flow: Strong (8/10)
- Stability: Good (6/10)
- Valuation: Good (5/10)
- Ownership: Good (8/15)
Key Facts
Price: $154.58
Market Cap: $133.0B
Sector: Technology
Industry: Hardware, Equipment & Parts


