GL
GLW
-5.5%⚪ No clear catalystCorning Incorporated · Industrials
$130.86Vol 7.74M · 1.0× normalMkt cap −$6.52BMarket closed — 2026-10-16 session
What happened
Move
-5.5%
Price
$130.86
Volume
7.74M
1.0× normal
Market cap
$112.72B
−$6.52B today
Why it moved
No clear catalyst identified
No reliable news, earnings or analyst driver was found for this move. Likely flow-driven.
Verdict — was the move justified?
⚪ No clear catalyst
No reliable catalyst was identified for this move.
How unusual is this move
σ score
1.4σ
vs own 20d volatility
Percentile
95th
of 1279 daily moves
Avg daily move
±1.7%
own 5y average
vs sector
-5.2%
beyond sector median
Today’s move is among the largest 5% of GLW’s daily moves over the last 5 years — while the sector moved -0.2% and the market -0.3%.
What happened after similar moves
43 similar down moves in GLW’s 5-year history:
After 5 days
-1.0%
46% higher
After 20 days
+1.7%
55% higher
Median of same-direction moves within ±35% magnitude band. Past patterns don’t predict outcomes — context, not signal.
Fundamental context
V 22G 31P 72H 80Q 97EW 43/65
Insider activity (90d): net selling $3.49M
Valuation context
P/E (TTM)
59.8
5y median 48.7
P/E percentile
61%
vs own 5y history
FCF yield
0.0%
Valuation sits near the middle of its own historical range (61th percentile).
Full fundamental analysis on PreMarketPrice
Pillar scores, financial statements, valuation history, news & more for GLW