DeepSeek Chinese AI Model Impresses Silicon Valley with Limited Hardware SpaceX Faces A Crucial Launch Test Ahead Of Its IPO US Productivity Growth Slows in Q4 as Unit Labor Costs Rise Signaling Potential Inflationary Pressures UK Exports to US Plunge 25 Following Trump Liberation Day Tariffs UK Now Faces Trade Deficit with Largest Partner Hindalco Q4 Net Profit Drops by Half on 4171 Crore OneTime Charge at Novelis Singapore Bankruptcy Cases Rise Overspending and Business Failures Cited as Key Drivers Amazon Ownership Structure Key Executive and Institutional Stakeholders