Shares of mobile service providers surged on Thursday, a day after the 2G auction ended with the government getting bids worth Rs 9,400 crore against the targeted Rs 40,000 crore. Bharti Airtel jumped 4 per cent while Idea Cellular gained 3 per cent. Bharti acquired one block of top-up spectrum while Idea acquired spectrum in all the seven circles that it lost earlier. It also acquired one slot of spectrum in Bihar. The company paid Rs 2,030 crore or Rs 6 per share for the eight circles.