U.S. stocks opened with the Dow down 0.1%, the S & P 500 down 0.15% and the Nasdaq down 0.5%. Micron Technology (MU. O) fell 4% as rival SK Hynix warned of a sharper drop in demand for commodity memory chips. American Airlines Group (AAL. O) fell 8.7%...

U.S. stocks opened with the Dow down 0.1%, the S & P 500 down 0.15% and the Nasdaq down 0.5%. Micron Technology (MU. O) fell 4% as rival SK Hynix warned of a sharper drop in demand for commodity memory chips. American Airlines Group (AAL. O) fell 8.7% as the company forecast a lower-than-expected profit in 2025. Union Pacific (UNP. N) rose 3.4% as Q4 net profit beat expectations.