The Sensex at the Bombay Stock Exchange moved up by 72 points, maintaing its initial gains in afternoon deals. The gain follows the emergence of selective buying by funds amid a mixed trend in the Asian region. The 30-Share index which gained 80 points in its previous session, rose 73 points to trade at 19,683 when reports last came in. Similarly, the wide-based National Stock Exchange index Nifty was up by 25 points to 5,964 a short while ago.