Markets Mostly Higher: Dow Kept Down by UNH Selling

Market Overview - Markets traded mostly higher, with the S&P 500, Nasdaq, and Russell 2000 gaining for the third time in four sessions, while the Dow closed down due to a significant drop in UnitedHealthcare's stock [1] - The Dow fell by 269 points, or 0.64%, while the S&P 500, Nasdaq, and Russell 2000 increased by 0.72%, 1.61%, and 0.49%, respectively [1] UnitedHealthcare Performance - UnitedHealthcare's stock has decreased by 47% in the past month following a Q1 earnings report that showed slightly lower earnings and sales, along with lowered guidance for the full year [2] - CEO Andrew Witty has stepped down immediately, and the lowered guidance for 2025 has been completely removed [2] - Chairman Stephen Hemsley, who previously turned around the company, will return in an interim role [3] - UnitedHealthcare currently holds a Zacks Rank 4 (Sell), compared to Zacks Rank 2 (Buy) for competitors Cigna and Centene [3] NVIDIA and AI Sector - The Nasdaq's increase was largely driven by a 5.6% rise in NVIDIA shares, which have surged 38% since early April [4] - NVIDIA is recognized as a leading AI-infrastructure stock, benefiting from increased investments in AI projects [4] Upcoming Earnings and Economic Indicators - Cisco Systems is expected to report fiscal Q3 numbers, projecting a 3.4% earnings growth year over year and a 10.7% increase in sales [5] - The upcoming Producer Price Index (PPI) for April, along with Retail Sales and Weekly Jobless Claims, will be released soon [5]