Tariff Deals with EU Japan South Korea Cast Shadow Over North American Trade Negotiations Elon Musk Loses Legal Battle Against OpenAI but May Continue Aggressive Litigation Vestas Wind Systems Shares Decline as Company Signals Margins at Low End of Guidance Hindalco Q4 Net Profit Drops by Half on 4171 Crore OneTime Charge at Novelis India Plans Overhaul of Tax Administration to Ensure Smooth Goods and Services Tax Rollout Amazon Reports Record Thanksgiving Holiday Week Sales and Items Sold Kotak Mahindra Bank Shares Market Performance Analysis from Latest Updates