The Bombay Stock Exchange benchmark Sensex on Tuesday rose by 72 points, in early trade with markets opening at 0900 hrs on the first trading session in the New Year. The Sensex moved up to 17,537.32 points in choppy opening trade. The broader National Stock Exchange Nifty gained 23 points to trade at 5,224.05 points in opening trade. The BSE and the National Stock Exchange have advanced the trading timing to 0900 hrs from Monday with a view to better align the domestic markets with the Asian bourses.