Why did Moody’s downgrade US credit rating? How will Charter-Cox merger affect cable industry? Why is UnitedHealth stock falling sharply? What impact will Fed’s 10% staff cut have? How did Trump’s Middle East trip boost investments? Why is Apple blocking Fortnite in US and EU? What caused surge in Nvidia and Tesla stocks? How will Trump’s new tariff rates affect trade? Why is Novo Nordisk’s CEO stepping down?