Why is Amazon cutting 14,000 corporate jobs? How will Nvidia's $1B Nokia stake affect AI chips? What impact does PayPal-OpenAI partnership have on payments? Why did UnitedHealth's earnings boost the Dow Jones? How is the US-China trade deal influencing soybean prices? What caused the surge in PayPal's stock after Q3 earnings? Why are UPS layoffs accelerating amid turnaround efforts?