Corning (GLW) jumps 12% on earnings as AI products drive demand for optical connectivity products. Besides their gorilla glass for iphones, Corning is seeing strong demand for their cables and connectors for data centers to support the massive computing and data transmission demands.

Pullback in a number of healthcare stocks. The largest HMO, UnitedHealth Group (UNH) is down 4% on lackluster earnings as the government is looking closer at how the company bills Medicare. Novo Nordisk (NOVO) is down over 20% as the Danish weight loss maker cut full year guidance on slumping sales.   

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