Shares of SRF Ltd , which makes chemicals and polymers, jumped as much as 13.4 per cent to Rs 2,924 in the biggest daily per cent gain since November 19, 2014.
June-quarter profit rose 41.3 per cent to Rs 189 crore ($26.77 million), beating estimates of Rs 149 crore.
Total revenue rose 9 per cent, aided by a 26 per cent jump in the chemical business.
Up to last close, the stock is up 29 per cent this year, while peer Tata Chemicals fell 21 per cent.