Why did Moody's downgrade US credit rating again? How is Trump's Middle East trip boosting investments? What impact will Charter-Cox merger have on cable industry? Why is Tesla adding Chipotle executive to board? How are US tariffs affecting Walmart prices? What caused Fortnite to be blocked on Apple devices? Why is Novo Nordisk CEO stepping down now? How will Federal Reserve's planned 10% staff cut affect markets? What’s behind the drop in US consumer sentiment?