Nine of India’s top-10 most valued companies collectively added Rs 2,01,552.69 crore to their market valuation last week, with Bharti Airtel emerging as the biggest gainer amidst a bullish equity market sentiment. The Sensex surged by 1,707.01 points or 2.10 percent during the week. LIC was the only company among the top-10 to experience a decline in its market cap.