The benchmark indices on both major stock exchanges had their fourth straight weekly gain on Friday, both closing at record highs. On the BSE, the Sensex gained 135.7 points or 0.4 per cent to close at 31,273. On the National Stock Exchange, the Nifty closed at 9,653, up 37.4 points or 0.4 per cent.The broader markets reflected a similar trend, with the BSE mid-cap and small-cap indices going up by 0.7 per cent and 0.5 per cent, respectively. The Sensex gained nearly one per cent during the week and has advanced nearly five per cent in the past month.The rally was led by Hero MotoCorp's stock, up three per cent on the back of strong sales numbers in May. Shares of Cipla and Adani Ports went up by 2.6 and 2.1 per cent, respectively.Market participants say there is strong positive sentiment among investors, due to strong macro economic indicators and stability. There is also ample liquidity, with stable inflow from both domestic and foreign institutions.According to Vinod Nair, head of .
Surveillance measures to include placing securities in trade to trade category
Asia Index's error last week made Sensex exchange-traded funds rebalance portfolios and incur additional transaction costs