The Bombay Stock Exchange benchmark Sensex today fell by nearly 117 points in early trade. Analysts said the fall is due to fresh selling by retail investors and foreign funds triggered by weak global cues.The Sensex was trading at 17169 , down by 58 points when reports last came in. Simialrly, Nifty index of National Stock Exchange was down by 19 points at 5128.The Hong Kong's Hang Seng Index was down 0.70 per cent, while Japan's Nikkei fell 1.3 per cent in the morning trade. The US Dow Jones Industrial Average ended 1 per cent down in yesterday's trade.