Shares of state-run oil marketing companies today surged as oil retailers have increased the petrol and diesel prices with effect from Sunday.
However, international crude prices fell 1 per cent.
The hike in prices will help them further increase the realisation, according to analysts.
Shares of Indian Oil Corp gained 2.3 per cent, Bharat Petroleum Corp surged 3.7 per cent and Hindustan Petroleum Corp jumped 2.8 per cent.