The U.S. stock market opened with the Dow Jones Industrial Average up 0.2%, the S&P 500 Index down 0.17%, and the Nasdaq down 0.46%. Citigroup (C.N) rose 1.3% as JPMorgan upgraded its rating from neutral to overweight; Broadcom (AVGO.O) dropped more than 7% as the company stated that its gross profit margin for the first fiscal quarter would shrink by 1% due to AI products. Oracle (ORCL.N) fell 1.1% after dropping nearly 11% in the previous trading session.