The Bombay Stock Exchange benchmark Sensex today fell by 65 points in early trade. However, later it recovered its initial losses and was trading flat at 18,227 points when reports last came in. Similarly, NIFTY of national stocks exchange was also trading flat at 5477.The fall in Sensex is due to selling by funds and retail investors in oil, banking and information technology stocks. Meanwhile, Hong Kong's Hang Seng index traded lower by 0.05 per cent, while Japan's Nikkei was down 0.87 per cent in early trade. The US Dow Jones Industrial Average ended 0.74 per cent down on Thursday.