The Bombay Stock Exchange benchmark Sensex surged by another 185 points in the opening trade on Friday on sustained buying by funds, taking cues from firming global markets. The 30-share index, which had gained nearly 305 points in the previous two trading sessions, edged higher by 184.67 points, or 1.09 per cent, to trade over 17,000-points level at 17,106.75 points. Meanwhile, the US Dow Jones Industrial Average ended 2.76 per cent higher while Japan's Nikkei gained 1.66 per cent and Hong Kong's Hang Seng index was up 1.39 per cent in the morning trade on Friday.