The BSE benchmark Sensex today rose byover 128 points in early trade. The rise extending gains for the secondstraight session on sustained buying by funds amid a firm trend in other Asian bourses.The 30-share index, which had gained 265 points yesterday, rose further by 0.67 per cent, to 19,272 points with all sectoral indices, led by capitalgoods, metal and realty, gaining up to 1.21 per cent.The wide-based Nifty of the National Stock Exchange moved up by 36.75 points, to 5,821.Brokers said sustained buying by funds as well as retail investors tracking a firming trend on other Asian boursesafter US markets closed at record high yesterday amid signs of continuing economic recovery and globally accommodative monetary conditions, mainly buoyed the trading sentiment.In other Asian markets, Hong Kong's Hang Seng rose by 0.80per cent, while Japan's Nikkei by 1.65 per cent in early trade today.The US Dow Jones Industrial Average gained 0.89 per cent to close at record high yesterday.