The Sensex at the Bombay Stock Exchange fell 39 points, or 0.2 per cent, to 19,458 in early trade, today, on continued selling by funds and retail investors, amid subdued global markets. Later, the Sensex continued weak, and stood 58 points, or 0.3 per cent in the red, at 19,439 in afternoon trade, a short while ago.Stock markets in Japan, Hong Kong, South Korea and Singapore had lost between 0.1 percent and 1.5 percent, today, after poor Euro zone data. The US Dow Jones Industrial Average had ended 0.1 per cent lower in yesterday's trade.