Check out the companies making headlines before the bell: UnitedHealth , Humana , CVS Health — The medical insurance stocks dropped after the Centers for Medicare & Medicaid Services released a proposal to raise 2027 Medicare Advantage payment rates by just 0.09%, far lower than expectations for a 4-6% increase, according to FactSet. Shares of UnitedHealth Group and Humana dropped 15%, each. Shares of CVS Health slid nearly 13%. Nucor — The steel manufacturer are down more than 2% after an earnings report that missed expectations. The company said fourth quarter adjusted earnings were $1.73 per share and revenue was $7.68 billion. That’s below the FactSet consensus of $1.89 earnings per share and $7.81 billion in revenue. General Motors — The automaker jumped more than 4% after it reported better-than-expected earnings for the fourth quarter and issued a 2026 outlook that also exceeded analyst forecasts. On top of that, GM increased its quarterly dividend by 20% and announced a $6 billion stock buyback program. Sanmina — The electronics manufacturing services provider slid more than 9% after its latest earnings report. Sanmina posted adjusted earnings of $2.38 per share on revenues of $3.19 billion, though the results were not comparable due to thin coverage. Salesforce — The software company gained 2.4% after announcing the U.S Army awarded it a $5.6 billion, 10-year contract. — CNBC’s Michelle Fox, Davis Giangiulio and Fred Imbert contributed reporting