Corning shares are up more than 12% Monday after the company raised its second-quarter guidance, setting it on track for its best trading day since March 2020.The company, known for developing the Gorilla Glass used for Apple iPhones and other phones, credits the outperformance to demand for its optical connectivity products that power networks that run generative artificial intelligence."We've invented new fibers, new cables, new connectors and new custom integrated optical solutions to dramatically reduce ...