Indian Stock Market Opens Higher as Gift Nifty Signals Strong GapUp Start US Productivity Growth Slows in Q4 as Labor Costs Rise Data Shows Walmart May Use Tariff Refunds to Lower Prices Amid Consumer Stress Nvidia Stock Approaches Key Technical Level That Could Determine NearTerm Direction Kevin Warsh Set to Be Sworn In as Federal Reserve Chair on Friday at White House Ceremony New York Fed Study Finds Surging Gas Prices Disproportionately Impact LowerIncome Households SpaceX Reportedly Files S1 Registration Statement Signaling Potential IPO