On the BSE, the stock opened at Rs 363.00, then jumped 2.61 per cent and touched an early high of Rs 373.40 in initial deals. It was later trading at Rs 371.25, up 2.02 per cent. In a similar trend, the stock opened at Rs 364, then touched a high of Rs 371.55, registering a gain of 2.02 per cent over its last close on the NSE.