Nine of the top-10 most valued firms together added Rs 2,01,552.69 crore in market valuation last week, with Bharti Airtel stealing the show, amid bullish investors' sentiment in equities. Last week, the BSE benchmark jumped 1,707.01 points or 2.10 per cent. The 30-share BSE Sensex hit its lifetime high of 83,116.19 on Thursday. Bharti Airtel's valuation jumped Rs 54,282.62 crore to Rs 9,30,490.20 crore, becoming the biggest gainer among the top-10 firms. The market capitalisation (mcap) of ICICI Bank surged Rs 29,662.44 crore to Rs 8,80,867.09 crore. Tata Consultancy Services (TCS) added Rs 23,427.12 crore taking its valuation to Rs 16,36,189.63 crore. The mcap of Hindustan Unilever soared Rs 22,438.6 crore to Rs 6,89,358.33 crore and that of HDFC Bank zoomed Rs 22,093.99 crore to Rs 12,70,035.77 crore. The market valuation of Infosys climbed Rs 17,480.49 crore to Rs 8,07,299.55 crore and that of ITC rallied Rs 15,194.17 crore to Rs 6,42,531.82 crore. The valuation of Reliance