The BSE benchmark Sensex declined by 118 points in early trade today on sustained selling by funds and retailers, amid a weak trend on Asian bourses. The 30-share barometer, which had lost almost 364 points in last two trading days, moved down further in opening trade today by 118 points, or 0.69 per cent, to 17,055.On the similar lines, the broad-based National Stock Exchange index Nifty declined by 37.20 points, or 0.71 per cent, to 5,185.20.In the Asian region, Hong Kong's Hang Seng index fell by 1.23 per cent and Japan's Nikkei index by 1.33 per cent in morning trade today. The US Dow Jones Industrial Average ended 1.57 per cent lower in Tuesday's trade.