The combined market valuation of three of the top-10 most valued firms jumped Rs 1,06,125.98 crore in holiday-shortened last week, with HDFC Bank and ICICI Bank emerging as the biggest gainers. Last week, the BSE benchmark Sensex climbed 217.13 points or 0.28 per cent. While HDFC Bank, ICICI Bank and Infosys were the gainers from the top-10 pack, Reliance Industries, Tata Consultancy Services (TCS), Bharti Airtel, State Bank of India, Life Insurance Corporation of India (LIC), Hindustan Unilever and ITC faced a combined erosion to the tune of Rs 1,01,769.1 crore. The market capitalisation (mcap) of HDFC Bank zoomed Rs 52,091.56 crore to Rs 12,67,056.69 crore. ICICI Bank added Rs 36,118.99 crore taking its valuation to Rs 8,13,914.89 crore. The mcap of Infosys climbed Rs 17,915.43 crore to Rs 6,35,945.80 crore. However, the market valuation of Reliance Industries tumbled Rs 32,271.31 crore to Rs 19,66,686.57 crore. LIC lost Rs 27,260.74 crore from its mcap which stood at Rs 6,47,