Why did UnitedHealth suspend its 2025 outlook? How will US-China tariff pause affect global trade? Why is Nissan cutting 20,000 jobs? What caused Dow Jones drop after CPI data? Why is Coinbase joining the S&P 500? How did US tariff relief impact stock markets? What led to UnitedHealth CEO's sudden resignation? Why are Tesla's robotaxi tests still uncertain? How are tariffs affecting US car prices?