BOMBAY -- Bombay stocks surged Wednesday as traders shrugged off Tuesday's deadly train explosions. The BSE Sensex rose 315.74 points to close at 10,930.09, led by heavy buying in technology stocks. Gainers on Wednesday were Infosys Technologies ( INFY), up 7.5%, Hindalco, ahead by 7.06%, and Tata Consultancy Services, up 7%. Infosys said its first-quarter earnings rose 43% to $174 million, as a falling rupee helped offset higher expenses. Revenue climbed 39% from last year to $660 million. Among declining stocks, Reliance Energy dropped 1.09%, Ranbaxy Laboratories lost 0.91%, and Bajaj Auto fell 0.79%. GAIL India has begun negotiations with Yemen's government about participating in the expansion of an LNG project in that country. The talks are also covering the sourcing of LNG supplies for the Dabhol project. GAIL's stock was up 0.72%. On Tuesday, a group of coordinated terrorist attacks on commuter trains in Bombay, India's financial center, killed nearly 200 people, and, according to reports, wounded about 700 others.