Shares of major Indian steel companies, including Jindal Stainless, Jindal Steel, SAIL, and Tata Steel, saw significant rallies of up to 4% in intra-day trading. This surge is attributed to Jindal Steel's announcement to double its structural steel manufacturing capacity to 2.4 MTPA by mid-2028 at its Raigarh facility. The expansion aims to meet increasing demand from infrastructure, energy, and industrial sectors.