The Sensex at the Bombay Stock Exchange fell by 106 points to 19,076 in early morning trade today, on fresh selling in funds, amid a weak trend in the Asian region. The 30-share barometer had gained 18 points yesterday.The Nifty at the National Stock Exchange declined by 49 points to 5,636.In the Asian region, Hong Kong's Hang Seng index fell 0.99 per cent, while Japan's Nikkei was down 1.36 per cent in early trade.The US Dow Jones Industrial Average ended 0.30 per cent lower in yesterday's trade.