Big tech led US stocks higher on Tuesday despite a broadly negative session, supported by upbeat earnings expectations.
The S&P 500 climbed 0.5% to another record, while the Nasdaq 100 surged 1%. Microsoft and Apple rose more than 2% ahead of earnings this week, and chipmakers stayed strong with Micron up about 6% and Broadcom gaining roughly 4%.
General Motors jumped over 5% after lifting its 2026 outlook, and UPS added 2% on an earnings and revenue beat.
Meanwhile, the Dow dropped around 500 points, hit by a nearly 20% slide in UnitedHealth after it warned of its first annual revenue decline in 30 years.
Healthcare also lagged, with CVS down 9.7% and Humana plunging 18.8% after the US proposed keeping payments to private Medicare plans flat next year. Boeing fell 1.2% as its results disappointed.