New Delhi, July 12 -- The combined market valuation of four of the top-10 most valued firms jumped Rs.92,995.48 crore last week, with HDFC Bank and Bharti Airtel emerging as the biggest gainers.

Last week, the BSE benchmark Sensex declined 194.52 points, or 0.25 per cent, and the NSE Nifty dipped 63.95 points, or 0.26 per cent.

"Markets ended the week marginally lower, snapping a four-week winning streak amid renewed geopolitical tensions in West Asia and a sharp spike in crude oil prices," Ajit Mishra, SVP, Research, Religare Broking Ltd, said.

Markets started the week on a positive note, supported by easing crude prices, encouraging Q1 business updates, improving monsoon progress, and broad-based buying, he said.

However, sentiment ...