Humana, Alignment Healthcare, Nucor And Other Big Stocks Moving Lower In Tuesday's Pre-Market Session - Alignment Healthcare (NASDAQ:ALHC), Brand Engagement Network (NASDAQ:BNAI)

Group 1: Market Overview - U.S. stock futures showed mixed results, with Dow futures declining approximately 0.1% [1] - Health insurer stocks experienced a downturn following a report about proposed unchanged rates for Medicare insurers [1] Group 2: Company-Specific Movements - Humana Inc shares fell 12.2% to $231.39 in pre-market trading due to the Medicare rate proposal [2] - Brand Engagement Network Inc saw a significant drop of 32.1% to $42.15 after a previous surge of 277% [3] - Alignment Healthcare Inc shares decreased by 11.8% to $21.00, influenced by the same Medicare rate news [3] - Propetro Holding Corp's shares fell 9.9% to $10.02 after pricing a public offering at $10 per share [3] - CVS Health Corp shares declined 9.7% to $75.73, reflecting the broader trend in health insurance stocks [3] - UnitedHealth Group Inc shares dipped 8.8% to $320.53, following the Medicare rate proposal [3] - Elevance Health Inc shares fell 7.1% to $350.01, also impacted by the Medicare news [3] - Centene Corp shares decreased by 4.7% to $44.12, in line with the trend among health insurers [3] - Sanmina Corp shares declined 8% to $168.00 after reporting disappointing earnings [3] - Cerus Corp shares fell 7.3% to $2.28 in pre-market trading [3] - Nucor Corp shares decreased by 3.1% to $172.13 due to downbeat earnings for the fourth quarter [3]