HEG stock jumped 11% to ₹594 after a 356% year-on-year profit surge and the announcement of a ₹650 crore capex plan to expand electrode capacity by 15,000 TPA. Q1 FY26 profit rose to ₹105 crore from ₹23 crore quarter-on-quarter, with 8% YoY revenue growth, and the company maintained strong guidance despite a weak 3-year CAGR.