Why is NASA's Jet Propulsion Lab laying off workers? How will OpenAI's Broadcom deal impact AI chip market? What drives JPMorgan's $1.5 trillion U.S. investment plan? Why did China impose port fees on U.S. ships? How is China tightening control over rare earth minerals? What caused the recent crypto market crash and recovery? Why is Wall Street optimistic despite U.S.-China trade tensions?