Corning (GLW) vs AT&T (T)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Corning (GLW) has outperformed AT&T (T) over the past year, gaining 91.9% versus a loss of 6.5%. Over five years, GLW leads with a +330.2% price change compared with +26.1% for T. AT&T is the larger company by market cap ($167.68 billion vs $140.62 billion), about 1.2 times the size, while Corning is growing revenue faster (+19.1% vs +2.7%).
On valuation, AT&T trades at a lower forward P/E (9.5x vs 37.4x for Corning). AT&T offers the higher dividend yield (4.54% vs 0.69%). AT&T converts more of its revenue into profit, with a net margin of 17.5% versus 10.2%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | GLW | T |
|---|---|---|
| Share price | $163.25 | $24.47 |
| Market cap | $140.62B | $167.68B |
| 1-day change | -3.39% | +0.16% |
| YTD return | +86.44% | -1.49% |
| 1-year return | +91.92% | -6.46% |
| 5-year return | +330.17% | +26.06% |
| P/E ratio (TTM) | 74.89 | 8.08 |
| Forward P/E | 37.37 | 9.53 |
| EPS (TTM) | $2.18 | $3.03 |
| Dividend yield | 0.69% | 4.54% |
| Annual dividend | $1.12 | $1.11 |
| Revenue (latest FY) | $15.63B | $125.65B |
| Revenue growth (YoY) | +19.14% | +2.71% |
| Net income (latest FY) | $1.60B | $21.95B |
| Gross margin | 35.97% | — |
| Operating margin | 14.58% | 19.23% |
| Net margin | 10.21% | 17.47% |
| 52-week high | $271.78 | $29.44 |
| 52-week low | $77.39 | $19.89 |
| Distance from 52-week high | -39.93% | -16.88% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +14.98% | +17.57% |
| Average volume | 10.33M | 48.58M |
| Shares outstanding | 861.39M | 6.85B |
| Employees | 67,200 | 133,030 |
| Sector | Industrials | Telecommunications |
| Industry | Telecommunications Equipment | Telecommunications Equipment |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- GLW has outperformed T by 98.4 percentage points over the past year.
- Corning trades at a higher earnings multiple (74.9x vs 8.1x trailing P/E).
- AT&T offers a meaningfully higher dividend yield (4.54% vs 0.69%).
- AT&T is more profitable, keeping 17.5 cents of every revenue dollar as net income versus 10.2 cents for Corning.
- Corning grew revenue faster in its latest fiscal year (+19.14% vs +2.71%).
- The two companies sit in different sectors: Corning in Industrials and AT&T in Telecommunications.
About Corning
GLW stock →Corning Incorporated operates in optical communications, display, specialty materials, automotive, and life sciences businesses in the United States, Canada, Mexico, Japan, Taiwan, China, South Korea, Germany, and internationally. The company provides optical fibers and cables; and hardware and equipment products, such as cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices, and other accessories for the telecommunications industry, businesses, governments, and individuals.
Industrials · Telecommunications Equipment · 67,200 employees
About AT&T
T stock →AT&T Inc. provides telecommunications and technology services worldwide.
Telecommunications · Telecommunications Equipment · 133,030 employees
GLW vs T FAQ
Which is bigger, Corning or AT&T?
AT&T (T) is larger, with a market capitalization of $167.68B compared with $140.62B for Corning (GLW).
Which stock has performed better over the past year, GLW or T?
GLW returned +91.92% over the past 12 months, compared with -6.46% for T (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, GLW or T?
T has the lower trailing P/E at 8.1, versus 74.9 for GLW. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Corning or AT&T?
AT&T has the higher yield at 4.54%, compared with 0.69% for Corning.
Are Corning and AT&T in the same industry?
Yes. Both are classified in the Telecommunications Equipment industry within the Industrials sector.