U.S. stocks opened lower, with the Dow Jones Industrial Average down 0.6%, the S&P 500 up 0.27%, and the Nasdaq Composite up 0.5%. Corning (GLW.N) rose 7.8% after Meta announced it would pay Corning up to $6 billion in procurement fees. General Motors (GM.N) rose 5.4% after reporting fourth-quarter core profits that beat expectations.