The Bombay Stock Exchange benchmark Sensex rose by over 80 points, or 0.45 per cent, in the opening trade today on continued capital inflows by foreign funds. The 30-share index, which had gained 85.91 points in the previous session, rose further by 80 points to 17,725 points in the opening trade. The wide-based National Stock Exchange index Nifty also moved up by 22 points to 5,304 points. Shares of auto, consumer durables, metals and oil and gas sectors were in good demand.