Continuing its losing streak for the 8th straight session, the Bombay Stock Exchange benchmark Sensex, which lost over 1,068 points in the previous seven sessions, fell further by 155 points, or 0.84 per cent, to 18,379 points in the first few minutes of trade today.The wide-based National Stock Exchange index Nifty, was trading 40 points, or 0.73 per cent, lower at 5,524 points.Meanwhile, in other Asian markets, Hong Kong's Hang Seng index was down 1.24 per cent in early trade this morning.