Why did Corning Inc. (GLW) stock move recently?

On 9/8/2026, Corning Inc. moved +7.0% — Corning rose after it and Verizon announced a multi-year, multi-billion dollar optical fibre supply agreement covering broadband and AI infrastructure build-out. The contract locks in fibre volumes through 2032. This is MarketChacha's decoded reason from filings and credible news; it is education, not buy/sell advice.

Is Corning Inc. (GLW) overvalued or fairly valued?

MarketChacha shows Corning Inc.'s valuation in context — a trailing P/E of about 80.2, a forward P/E of about 29.6, a price-to-book of about 9.4 — alongside its revenue and profit growth and whether reported profit converts into operating cash, so you can judge value for yourself. MarketChacha does not issue ratings, price targets, or buy/sell advice.

Does Corning Inc.'s reported profit turn into cash?

Over 3 years, operating cash flow fully covered reported profit — earnings are backed by real cash. MarketChacha computes this cash-conversion check (2.47×) from reported figures — education, not a rating.

What is Corning Inc.'s revenue?

Corning Inc. reported revenue of $15.6B for FY2025, with net profit of $1.6B, per official filings.

What is the share price of Corning Inc. (GLW)?

Corning Inc. last traded at $132.26 (-0.4% on the day), as of 10/20/2026 — a delayed quote shown for education, not investment advice.

Corning Inc.

GLW · NYSE · Technology · United States

Snapshot

TickerGLW

ExchangeNYSE

SectorTechnology

IndustryElectronic Components

CountryUnited States

Employees67,200

HeadquartersCorning, United States

Websitewww.corning.com

Filings tracked19

About Corning Inc.

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. It also offers glass substrates for flat panel displays, including liquid crystal displays and organic light-emitting diodes that are used in televisions, notebook computers, desktop monitors, tablets, and handheld devices. In addition, it manufactures products that offer material formulations for glass, glass ceramics, crystals, precision metrology instruments, and software, as well as glass wafers and substrates, tinted sunglasses, and radiation shielding products for markets, such as mobile consumer electronics, semiconductor equipment optics and consumables, aerospace and defense optics, radiation shielding products, sunglasses, and telecommunications components. Further, the company provides ceramic substrates and filter products for emissions control in mobile, gasoline, and diesel applications, as well as technical glass and optic products and solutions for the interior and exterior of vehicles. Additionally, it offers laboratory products, including plastic vessels, liquid handling plastics, specialty surfaces, cell culture media, and serum, as well as general labware, and glassware and equipment under the Corning, Falcon, PYREX, and Axygen brands. It also offers polysilicon products and pharmaceutical glass tubing and vials. The company was formerly known as Corning Glass Works and changed its name to Corning Incorporated in April 1989. Corning Incorporated was founded in 1851 and is headquartered in Corning, New York.

Who owns it

Insiders8.1%
Institutions74.8%
Public & other17.1%

3,193 institutional holders

Ownership breakdown from public market data.

Top holders

Blackrock Inc.7.63%
Vanguard Capital Management LLC5.90%
State Street Corporation4.77%
JPMORGAN CHASE & CO4.18%
Capital Research Global Investors2.87%
FMR, LLC2.79%
Vanguard Portfolio Management LLC2.20%
Bank of America Corporation2.17%

Largest institutional holders — last updated 6/30/2026.

Forensic scorecard

No major accounting red flags in the fundamentals we have — profit is backed by cash and returns look healthy.

Cash conversion2.47×

Over 3 years, operating cash flow fully covered reported profit — earnings are backed by real cash.

Net margin trend4.6% → 10.2%

Margin has expanded by about 5.6 points — the business is getting more profitable.

Growth qualityrev 11% · PAT 66%

Profit growth is broadly tracking revenue growth — the earnings trend looks operational rather than one-off.

Computed by MarketChacha from reported figures (SEC XBRL). Education, not a rating or recommendation.

What's expected next

Next quarter

Rev $5.2B · EPS 0.93

Est. earnings growth +28.5%

Next fiscal year

Rev $23.1B · EPS 4.37

Est. earnings growth +33.1%

Analyst consensus estimates — not the company's own guidance.

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Financials at a glance

Source: SEC XBRL

Annual

Quarterly · last 8

Revenue (FY2025)

$15.6B

Net margin

10.2%

ROE

13.5%

Revenue CAGR (2y)

+11.4%

Profit CAGR (2y)

+65.7%

EPS (FY2025)

1.83

Net profit (FY2025)

$1.6B

Ask MarketChacha about GLW

Get a cited, plain-English answer — the “why”, not just data. Finance research only, never buy/sell advice.

Why it moved

Sep 8, 2026
Corning rose after it and Verizon announced a multi-year, multi-billion dollar optical fibre supply agreement covering broadband and AI infrastructure build-out. The contract locks in fibre volumes through 2032.
source 1 ↗source 2 ↗· confidence: high
Aug 4, 2026
No specific new catalyst identified for the Aug 4 move; stock rose amid broader momentum following strong Q2 2026 results and raised Q3 guidance released July 28.
· confidence: low
Jul 24, 2026
Corning shares declined with broader weakness in AI and data center infrastructure names amid ongoing concerns over hyperscaler spending on artificial intelligence, ahead of the company's Q2 earnings release next week.
source 1 ↗· confidence: low
Jul 22, 2026
Corning shares fell amid ongoing valuation concerns and a broad rotation out of AI-linked equities following a sharp prior rally, with investors cautious ahead of the July 28 Q2 earnings report; no single new company-specific catalyst was reported.
source 1 ↗source 2 ↗source 3 ↗· confidence: medium

Daily moves with the verified reason behind them. Education only — not investment advice.

On MarketChacha

Posts about GLW

Financials

Yearly

Period	Revenue	Net profit	EPS	Net margin	ROE
FY2025	$15.6B	$1.6B	1.83	10.2%	13.5%
FY2024	$13.1B	$506.0M	0.58	3.9%	4.7%
FY2023	$12.6B	$581.0M	0.68	4.6%	5.0%

Quarterly

Period	Revenue	Net profit	EPS	Net margin
2026Q1	$4.1B	$371.0M	0.43	9.0%
2025Q3	$4.1B	$430.0M	0.50	10.5%
2025Q2	$3.9B	$469.0M	0.54	12.1%
2025Q1	$3.5B	$157.0M	0.18	4.5%
2024Q3	$3.4B	$-117.0M	-0.14	-3.5%
2024Q2	$3.3B	$104.0M	0.12	3.2%
2024Q1	$3.0B	$209.0M	0.24	7.0%
2023Q3	$3.2B	$164.0M	0.19	5.2%
2023Q2	$3.2B	$281.0M	0.33	8.7%
2023Q1	$3.2B	$176.0M	0.20	5.5%

Figures as reported, in reporting currency. Source: SEC XBRL.

Filings & announcements

2026

8-K — Reg FD disclosure
SEC9/4/2026material
10-Q filing
SEC7/29/2026
8-K — Results of operations
SEC7/28/2026material
8-K — Reg FD disclosure
SEC5/15/2026material
8-K — Unregistered equity sale, Reg FD disclosure, Exhibits
SEC5/6/2026material
8-K — Shareholder vote results
SEC5/4/2026material
8-K — Reg FD disclosure
SEC5/4/2026material
10-Q filing
SEC5/1/2026
8-K — Results of operations, Reg FD disclosure
SEC4/28/2026material
8-K — Reg FD disclosure
SEC2/27/2026material
10-K filing
SEC2/12/2026
8-K — Results of operations, Exhibits
SEC1/28/2026material

2025

10-Q filing
SEC10/31/2025
8-K — Results of operations, Exhibits
SEC10/28/2025material
8-K — Executive/director change, Exhibits
SEC10/8/2025material
8-K — Reg FD disclosure
SEC9/3/2025material
10-Q filing
SEC8/1/2025
8-K — Material agreement, Termination of agreement, Material financial obligation, Exhibits
SEC7/30/2025material
8-K — Results of operations, Exhibits
SEC7/29/2025material

In the news

Education and discussion only — not investment advice. Financials from official filings (SEC/BSE) and reported company statements; market figures (delayed market data) are delayed and shown for reference only. Verify with the linked sources before acting.