Falling for the second day in a row, the Sensex at the Bombay Stock Exchange lost 154 points, to 18,824 in early trade, today, on sustained selling by funds and retail investors, in line with weak Asian markets. The Sensex later remained subdued, and stood 159 points, or 0.8 percent in the red, at 18,819, a short while ago.Other Asian markets in Japan, China, Hong Kong, Indonesia, Singapore, South Korea and Taiwan were down by between 0.5 percent, and 1.5 percent, today, on poor US housing data, and disappointing earnings from some big US companies. Wall Street's Dow Jones Industrial Average had ended 0.1 per cent lower, yesterday.