The combined market valuation of eight of the top-10 most valued firms jumped Rs 2,10,330.26 crore in a holiday-shorted last week, with Tata Consultancy Services (TCS) and Life Insurance Corporation of India emerging as the biggest gainers. Last week, the BSE benchmark climbed 85.31 points or 0.10 per cent. The 30-share BSE Sensex hit its new all-time high of 81,587.76 on Friday.