The BSE benchmark Sensex which gained 197 points in the previous session, moved up further by 163.56 points, or 0.91 per cent, to 18,208.20 in opening trade.The broad-based National Stock Exchange Nifty index too rose by 43.65 points, or 0.81 per cent, to 5,456.00.Meanwhile, Hong Kong's Hang Seng index was trading 1.07 per cent higher and Japan's Nikkei was up 0.20 per cent in morning trade today. The US Dow Jones Industrial average ended 0.07 per cent higher in the previous session.