Corning stock after-hours at EUR 136.00: minus 3.09 percent versus prior close
Published on 09/30/2026 at 21:33 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Corning stock was at EUR 136.00 after-hours at 9:31 p.m. CEST on September 30, 2026, down EUR 4.33, or minus 3.09 percent, versus the EUR 140.33 prior close at Lang & Schwarz. The bid was EUR 135.86 and the ask was EUR 136.14. The further course of after-hours trading at Lang & Schwarz until 11:00 p.m. CEST is shown by the continuously updated real-time quote of Corning stock.
AT&T agreement valued above $3 billion
On September 29, 2026, Corning Incorporated and AT&T entered a multiyear agreement valued at more than $3 billion. Under the agreement, Corning will supply the fiber and cable AT&T needs to expand its network. AT&T said the arrangement supports its goal of bringing connectivity to 60 million Americans by the end of 2030. Corning Incorporated said demand for fiber is being supported by rising internet and artificial-intelligence usage.
Verizon deal covers supply through 2032
In a separate September 8, 2026 announcement, Corning Incorporated and Verizon reached a multiyear, multibillion-dollar agreement covering more than 80 million miles of high-density optical fiber and connectivity solutions from 2027 through 2032. The companies said the supply will support broadband expansion and high-density backbone infrastructure for generative artificial intelligence computing. Corning Incorporated said the agreement is intended to support continued scaling of its U.S. manufacturing footprint.
