Gas stocks perked up smartly last week - importer Petronet LNG gained about 3 per cent while transmitter GAIL (India) and city gas distributor Indraprastha Gas were up about 5 per cent. The trigger was the Oil Minister’s indication of a favourable price renegotiation of liquefied natural gas (LNG) imported from Exxon Mobil’s Gorgon project in Australia. Reports say that the revised contract will ...