UnitedHealth Drops 20%, Dragging Dow Down 1% While S&P and Nasdaq Gain

UnitedHealth Group (UNH) plunged nearly 20% on Tuesday, January 27, 2026, single-handedly pulling the Dow Jones Industrial Average down approximately 1% while the S&P 500 and Nasdaq Composite gained 0.4% and 0.9% respectively. The drop follows a Medicare Advantage payment freeze and UnitedHealth's reduced revenue forecast for 2026. As the sixth-highest priced component in the price-weighted Dow, UNH's decline had an outsized impact on the index. The stock fell after Medicare administrators announced minimal payment increases for private Medicare Advantage plans next year, prompting UnitedHealth to scale back operations and project lower annual revenue. Other high-weight Dow components including Goldman Sachs (GS), Home Depot (HD), and American Express (AXP) also declined over 1%, compounding the index's underperformance versus market-cap weighted benchmarks.