Corning stock halves from June peak despite 19% sales growth in Q3
The gist
Corning reported third-quarter core sales of $5,081 million, up 19% year over year, with core EPS up 36%.
Shares sit about 51% below their June record, so the debate is valuation.
How it unfolded
- Jun 29, 2026Corning closed at a record $255.69, having almost tripled between January and late June.
- Jul 28, 2026Shares fell 12% on the day Corning released second-quarter results with core earnings per share up 30%; the stock sank about 46% in July overall.
- Sep 11, 2026Corning signed an agreement letting it issue up to $2 billion in new shares from time to time; shares sank around 14% the next trading day.