This small-cap petrochemical stock jumped 6 per cent today; do you hold it? This small-cap petrochemical stock jumped 6 per cent today; do you hold it? The company is the largest player in the private sector with over 25 per cent market share in domestic bitumen & bituminous products. Vishwesh Sanas / Tuesday, January 17, 2023 / Article rating: 5.0 he company is the largest player in the private sector with over 25 per cent market share in domestic bitumen & bituminous products.