Corning Incorporated (GLW) — Quality & forensics

As of 2026-09-24 — refreshed nightly. Closelook readings from an investment research diary, not ratings or advice.

The Closelook module scores

43 /100 composite · 7 modules · semis-cyclical weight set

Valuation 25
Quality 54
Growth 53
Balance sheet 54
Cash quality 51
Capital allocation 43
Momentum 27

Scores are computed nightly across the coverage universe and read relative to it — the methodology lives in the company-scoring explainer.

Financial forensics — the academic screens

5.91 Altman Z-Score

Sits in the safe zone (above 2.99). The Z-Score estimates financial-distress risk from five balance-sheet and earnings ratios.

8/9 Piotroski F-Score

Nine binary fundamental-strength checks across profitability, leverage and operating efficiency.

-2.36 Beneish M-Score

Screens reported earnings for statistical manipulation patterns — below the −1.78 manipulation-risk threshold. A screen, not an accusation.

Continue: the GLW chart & overview · the earnings record · GLW on the tape

FAQ · from the current data · as of 2026-09-24

Quick answers

What is Corning Incorporated's Closelook quality reading?

The composite reads 43/100 across 7 modules, as of 2026-09-24: valuation 25, quality 54, growth 53, balance sheet 54, cash quality 51, capital allocation 43, momentum 27. Closelook scores are research diary readings, not ratings or investment advice.

What is Corning Incorporated's Altman Z-Score?

5.91, which sits in the safe zone (above 2.99) as of 2026-09-24. The Altman Z-Score estimates financial distress risk from five balance-sheet and earnings ratios.

What is Corning Incorporated's Piotroski F-Score?

8 of 9, as of 2026-09-24. The F-Score counts nine binary fundamental-strength signals across profitability, leverage and operating efficiency.

What does Corning Incorporated's Beneish M-Score indicate?

-2.36 — below the −1.78 manipulation-risk threshold, as of 2026-09-24. The M-Score screens reported earnings for statistical manipulation patterns; it is a screen, not an accusation.

Mentioned on Closelook

Where GLW appears in the diary — 9 pieces, newest first. Every link is our own writing.

Long reads

Portfolio Construction — Build a Barbell · Closelook Heresy IIIHeresy · 16 May 2026Live cohort as of May 2026: COHR · CRWV · GLW · INTC · IREN · LITE · MRVL · NBIS · NOK · SNPS.
Pattern 03 — NVIDIA Strategic Authority InvestmentReport · 12 May 2026The 16-Event Timeline (2023-07-12 → 2026-05-12) 2024 2025 2026 RXRX 23-07 ARM 23-09 APLD 24-09 NBIS 24-12 MRVL 25-03 CRWV 25-03 INTC 25-09 NOK 25-10 SNPS 25-12 LITE COHR 26-03 IREN 26-05 GLW 26-05 exit RXRX exit APLD exit ARM Tier 1 …
Nvidia’s Equity Stakes — Follow the Wise Men, Pattern 03 PreviewWeekly Signal · 10 May 2026GLW · Corning · Day-1 Reaction to $3.2B NVIDIA Optics Partnership May 6: NVIDIA $500M directed share investment + 15M warrants at $180.

Dailies

AI trade — sellers of compute sold, buyers bought: chips −5.6%, software +5%, SoftBank +7% in TokyoMorning 10 · 15 Sept 2026
Brent closes above $100 for the first time since July and the 10-year hits 4.86%: Wall Street falls a third day while Cloudflare +10%, Datadog +7% and Meta +7% catch the money the chip leaders gave backMorning 10 · 10 Sept 2026
Oil knocks on $100 and Wall Street sells everything but the AI pipe: Intel +9%, Lumentum +11%, Dow −1.2% — Seoul buys the dip and the Kospi is back above 7,000Morning 10 · 9 Sept 2026
Chips up again, software down again — Friday's split is turning into a trendMidday 10 · 8 Sept 2026
Portfolio Diary — A Quiet Tape: Three New Names, the Rest Was ReinvestsDaily Pulse · 4 Jul 2026The fractional unit counts are the tell — NVDA increased to 100.14, GLW to 100.11, AVGO to 50.19, CIBR to 200.16, STM to 250.26 and 300.41, TINY to 200.02.
Pattern 03 cohort — NVIDIA equity deployments as Rubin Build-Out leading indicatorDaily Pulse · 26 May 2026Current cohort: 10 names — COHR, CRWV, GLW, INTC, IREN, LITE, MRVL, NBIS, NOK, SNPS.

Related in the Closelook universe

same Closelook index seat first, then Electronic Components. Scored names rank on their Closelook score; names without one rank on trend state — above or below their 50- and 200-day averages — never on a score they do not carry.