The benchmark indices traded in a narrow range, swinging between gains and losses as investors remained cautious while assessing developments surrounding the US-Iran talks.

At 12:40 hours, the 30-share benchmark index was trading at 80687.49 down by -311.91 points or by -0.39 % and then NSE Nifty was at 24890.35 down by -96.05 points or by -0.38 %.

Sensex touched intraday high of 81339.41 and intraday low of 80519.31 The NSE Nifty touched intraday high of 25084.05 and intraday low of 24838.75

The top gainers of the BSE Sensex pack were State Bank of India (Rs. 1035.60,+1.86%), Trent Ltd. (Rs. 3100.00,+1.64%), HDFC Bank Ltd. (Rs. 793.60,+1.20%), Larsen & Toubro Ltd. (Rs. 4142.15,+0.90%), ICICI Bank Ltd. (Rs. 1580.00,+0.89%), among others.

The top losers of the BSE Sensex pack were HCL Technologies Ltd. (Rs. 1397.35,-3.16%), Infosys Ltd. (Rs. 1142.00,-2.56%), UltraTech Cement Ltd. (Rs. 12200.35,-2.48%), Tata Steel Ltd. (Rs. 185.50,-2.11%), Mahindra & Mahindra Ltd. (Rs. 1797.60,-1.88%), among others.

HCS index was at 53108.56 up by 606.09 points or by 1.15%. IOL Chemicals and Pharmaceuticals Ltd. (Rs. 207.40,+12.53%), Aarti Drugs Ltd. (Rs. 502.95,+11.72%), One Global Service Provider Ltd. (Rs. 408.25,+7.34%), Sun Pharma Advanced Research Company Ltd. (Rs. 211.40,+7.31%), Gland Pharma Ltd. (Rs. 3338.40,+6.79%),.

TECk index was at 16255.97 down by -331.49 points or by -2%. HFCL Ltd. (Rs. 206.05,-4.98%), Mphasis Ltd. (Rs. 2421.75,-4.46%), HCL Technologies Ltd. (Rs. 1397.35,-3.16%), Infosys Ltd. (Rs. 1142.00,-2.56%), Coforge Ltd. (Rs. 2032.00,-2.21%),.

The Market breadth, indicating the overall strength of the market, was weak. On BSE out of total shares traded 4602 , shares advanced were 1816 while 2546 shares declined and 240 were unchanged.