Stock market today, Sept. 16 -- Optimism over a potential India-US trade deal, expectations of a 25-bps rate cut by the US Fed, and a rise in the rupee against the US dollar helped the Indian stock market post healthy gains on Tuesday, September 16.

The Sensex jumped 595 points, or 0.73 per cent, to close at 82,380.69, while the Nifty 50 ended at 25,239.10, up 170 points, or 0.68 per cent. The BSE Midcap and Smallcap indices rose 0.62 per cent and 0.66 per cent, respectively.

Investors earned nearly Rs.3 lakh crore in a day as the overall market capitalisation of BSE-listed firms rose to nearly Rs.463 lakh crore from Rs.460 lakh crore in the previous session.

Market sentiment turned positive as India and the US resumed trade negotiatio...