Indian stock markets saw significant movement on the final trading day of 2025, with steel, defence, and renewable energy sectors leading gains. Tata Steel, JSW Steel, and Jindal Steel rose following the government's announcement of a three-year safeguard duty on select steel imports. Vodafone Idea shares surged to a record high amid expectations of government relief on Adjusted Gross Revenue (AGR) dues, with the Union Cabinet set to consider the matter.