RHI Magnesita India Ltd's shares jumped 13% to ₹668 following strong Q1 FY25 results, with a net profit of ₹73 crore, up 55% year-over-year. Despite a 5.2% revenue decline to ₹879 crore, the company rebounded from a Q4 FY24 loss, achieving a 16% EBITDA growth. RHI Magnesita is a top refractory products manufacturer.