Corning rises on over $3 billion agreement with AT&T
** Shares of specialty glass maker Corning GLW.N up 3.2% at $156.28 premarket
** AT&T T.N and Corning enter into a multi-year agreement valued at more than $3 bln to supply the fiber and cable AT&T needs to bring fast internet to more Americans - statement
** "We deeply value our long and successful relationship with Corning and look forward to continuing our work together" - John Stankey, chairman and CEO of AT&T
** Up to last close, GLW had risen ~73% this year