The Bombay Stock Exchange benchmark Sensex on Monday gained over 131 points to quote at 17250 in the afternoon trade.The wide-based National Stock Exchange index Nifty also moved up 31 points to 5,148.Brokers said recovery in some of the Asian stock markets after a poor start helped the trading sentiment in the domestic bourses.The Hong Kong's Hang Seng Index was up 0.09 per cent after declining by 1.20 per cent in volatile trade today.