New Delhi, July 18 -- The Indian stock market ended in the negative territory for the second consecutive session on Friday, July 18, as investors continued trimming exposure to equities amid unimpressive earnings, stretched market valuation and persisting tariff-related uncertainties.

The Sensex lost 502 points, or 0.61 per cent, to close at 81,757.73, while the Nifty 50 settled at 24,968.40, down 143 points, or 0.57 per cent. The BSE Midcap index ended 0.62 per cent lower, and the Smallcap index dropped 0.64 per cent.

The cumulative market capitalisation of the firms listed on the BSE dropped to over Rs.458 lakh crore from nearly Rs.461 lakh crore in the previous session, making investors poorer by almost Rs.3 lakh crore in a single se...