The combined market valuation of six of the top-10 most valued firms eroded by Rs 1,73,097.59 crore last week, with HDFC Bank and Life Insurance Corporation of India taking the maximum hit in line with weak equities. Last week, the BSE benchmark tanked 1,213.68 points or 1.64 per cent. The market valuation of HDFC Bank slumped Rs 60,678.26 crore to Rs 10,93,026.58 crore. LIC's valuation tanked Rs 43,168.1 crore to Rs 5,76,049.17 crore. Reliance Industries faced an erosion of Rs 36,094.96 crore to Rs 19,04,643.44 crore from its market valuation. The market capitalisation (mcap) of ICICI Bank declined by Rs 17,567.94 crore to Rs 7,84,833.83 crore, and that of State Bank of India went lower by Rs 11,780.49 crore to Rs 7,30,345.62 crore. ITC's valuation dipped by Rs 3,807.84 crore to Rs 5,40,838.13 crore. However, the mcap of Hindustan Unilever climbed Rs 33,270.22 crore to Rs 5,53,822.16 crore. Tata Consultancy Services (TCS) added Rs 20,442.2 crore, taking its valuation to Rs ...